Home / 9,420.05-14,130.21-2,846.30

Finding the Fourth Proportional to 9,420.05, 14,130.21 and 2,846.30

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Solution

The fourth proportional to 9,420.05, 14,130.21 and 2,846.30 is: 4,269.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.05 : 14,130.21 = 2,846.30 : x
  2. Step 2: Convert to fraction form
    9,420.05/14,130.21 = 2,846.30/x
  3. Step 3: Cross multiply
    9,420.05x = 14,130.21 × 2,846.30
  4. Step 4: Simplify right side
    9,420.05x = 40,218,746.07
  5. Step 5: Solve for x
    x = 40,218,746.07/9,420.05
  6. Step 6: Final answer
    x = 4,269.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.