Home / 12,483.05-17,226.46-6,817.78

Finding the Fourth Proportional to 12,483.05, 17,226.46 and 6,817.78

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Solution

The fourth proportional to 12,483.05, 17,226.46 and 6,817.78 is: 9,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.05 : 17,226.46 = 6,817.78 : x
  2. Step 2: Convert to fraction form
    12,483.05/17,226.46 = 6,817.78/x
  3. Step 3: Cross multiply
    12,483.05x = 17,226.46 × 6,817.78
  4. Step 4: Simplify right side
    12,483.05x = 117,446,094.24
  5. Step 5: Solve for x
    x = 117,446,094.24/12,483.05
  6. Step 6: Final answer
    x = 9,408.45

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.