Home / 21,032.06-29,024.12-11,471.76

Finding the Fourth Proportional to 21,032.06, 29,024.12 and 11,471.76

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Solution

The fourth proportional to 21,032.06, 29,024.12 and 11,471.76 is: 15,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.06 : 29,024.12 = 11,471.76 : x
  2. Step 2: Convert to fraction form
    21,032.06/29,024.12 = 11,471.76/x
  3. Step 3: Cross multiply
    21,032.06x = 29,024.12 × 11,471.76
  4. Step 4: Simplify right side
    21,032.06x = 332,957,681.49
  5. Step 5: Solve for x
    x = 332,957,681.49/21,032.06
  6. Step 6: Final answer
    x = 15,830.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.