Home / 19,372.18-29,012.13-13,454.97

Finding the Fourth Proportional to 19,372.18, 29,012.13 and 13,454.97

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Solution

The fourth proportional to 19,372.18, 29,012.13 and 13,454.97 is: 20,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.18 : 29,012.13 = 13,454.97 : x
  2. Step 2: Convert to fraction form
    19,372.18/29,012.13 = 13,454.97/x
  3. Step 3: Cross multiply
    19,372.18x = 29,012.13 × 13,454.97
  4. Step 4: Simplify right side
    19,372.18x = 390,357,338.79
  5. Step 5: Solve for x
    x = 390,357,338.79/19,372.18
  6. Step 6: Final answer
    x = 20,150.41

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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.