Home / 15,557.01-23,335.42-9,318.80

Finding the Fourth Proportional to 15,557.01, 23,335.42 and 9,318.80

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Solution

The fourth proportional to 15,557.01, 23,335.42 and 9,318.80 is: 13,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.01 : 23,335.42 = 9,318.80 : x
  2. Step 2: Convert to fraction form
    15,557.01/23,335.42 = 9,318.80/x
  3. Step 3: Cross multiply
    15,557.01x = 23,335.42 × 9,318.80
  4. Step 4: Simplify right side
    15,557.01x = 217,457,948.62
  5. Step 5: Solve for x
    x = 217,457,948.62/15,557.01
  6. Step 6: Final answer
    x = 13,978.13

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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.