Home / 21,032.15-29,023.98-11,472.11

Finding the Fourth Proportional to 21,032.15, 29,023.98 and 11,472.11

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Solution

The fourth proportional to 21,032.15, 29,023.98 and 11,472.11 is: 15,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.15 : 29,023.98 = 11,472.11 : x
  2. Step 2: Convert to fraction form
    21,032.15/29,023.98 = 11,472.11/x
  3. Step 3: Cross multiply
    21,032.15x = 29,023.98 × 11,472.11
  4. Step 4: Simplify right side
    21,032.15x = 332,966,291.20
  5. Step 5: Solve for x
    x = 332,966,291.20/21,032.15
  6. Step 6: Final answer
    x = 15,831.30

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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.