Home / 19,432.40-29,146.98-11,635.52

Finding the Fourth Proportional to 19,432.40, 29,146.98 and 11,635.52

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Solution

The fourth proportional to 19,432.40, 29,146.98 and 11,635.52 is: 17,452.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.40 : 29,146.98 = 11,635.52 : x
  2. Step 2: Convert to fraction form
    19,432.40/29,146.98 = 11,635.52/x
  3. Step 3: Cross multiply
    19,432.40x = 29,146.98 × 11,635.52
  4. Step 4: Simplify right side
    19,432.40x = 339,140,268.73
  5. Step 5: Solve for x
    x = 339,140,268.73/19,432.40
  6. Step 6: Final answer
    x = 17,452.31

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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.