Home / 19,515.38-29,269.76-5,472.18

Finding the Fourth Proportional to 19,515.38, 29,269.76 and 5,472.18

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Solution

The fourth proportional to 19,515.38, 29,269.76 and 5,472.18 is: 8,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.38 : 29,269.76 = 5,472.18 : x
  2. Step 2: Convert to fraction form
    19,515.38/29,269.76 = 5,472.18/x
  3. Step 3: Cross multiply
    19,515.38x = 29,269.76 × 5,472.18
  4. Step 4: Simplify right side
    19,515.38x = 160,169,395.28
  5. Step 5: Solve for x
    x = 160,169,395.28/19,515.38
  6. Step 6: Final answer
    x = 8,207.34

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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.