Home / 12,444.63-17,173.58-6,855.63

Finding the Fourth Proportional to 12,444.63, 17,173.58 and 6,855.63

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Solution

The fourth proportional to 12,444.63, 17,173.58 and 6,855.63 is: 9,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.63 : 17,173.58 = 6,855.63 : x
  2. Step 2: Convert to fraction form
    12,444.63/17,173.58 = 6,855.63/x
  3. Step 3: Cross multiply
    12,444.63x = 17,173.58 × 6,855.63
  4. Step 4: Simplify right side
    12,444.63x = 117,735,710.26
  5. Step 5: Solve for x
    x = 117,735,710.26/12,444.63
  6. Step 6: Final answer
    x = 9,460.76

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Half scale
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Double scale
Find fourth proportional to 12,445.63, 17,174.96 and 6,856.63
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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.