Home / 21,535.50-32,294.61-11,534.70

Finding the Fourth Proportional to 21,535.50, 32,294.61 and 11,534.70

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Solution

The fourth proportional to 21,535.50, 32,294.61 and 11,534.70 is: 17,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535.50 : 32,294.61 = 11,534.70 : x
  2. Step 2: Convert to fraction form
    21,535.50/32,294.61 = 11,534.70/x
  3. Step 3: Cross multiply
    21,535.50x = 32,294.61 × 11,534.70
  4. Step 4: Simplify right side
    21,535.50x = 372,508,637.97
  5. Step 5: Solve for x
    x = 372,508,637.97/21,535.50
  6. Step 6: Final answer
    x = 17,297.42

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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.