Home / 14,324.13-21,489.80-5,561.55

Finding the Fourth Proportional to 14,324.13, 21,489.80 and 5,561.55

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Solution

The fourth proportional to 14,324.13, 21,489.80 and 5,561.55 is: 8,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.13 : 21,489.80 = 5,561.55 : x
  2. Step 2: Convert to fraction form
    14,324.13/21,489.80 = 5,561.55/x
  3. Step 3: Cross multiply
    14,324.13x = 21,489.80 × 5,561.55
  4. Step 4: Simplify right side
    14,324.13x = 119,516,569.38
  5. Step 5: Solve for x
    x = 119,516,569.38/14,324.13
  6. Step 6: Final answer
    x = 8,343.72

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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.