Home / 21,335.92-29,443.92-11,776.27

Finding the Fourth Proportional to 21,335.92, 29,443.92 and 11,776.27

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Solution

The fourth proportional to 21,335.92, 29,443.92 and 11,776.27 is: 16,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.92 : 29,443.92 = 11,776.27 : x
  2. Step 2: Convert to fraction form
    21,335.92/29,443.92 = 11,776.27/x
  3. Step 3: Cross multiply
    21,335.92x = 29,443.92 × 11,776.27
  4. Step 4: Simplify right side
    21,335.92x = 346,739,551.78
  5. Step 5: Solve for x
    x = 346,739,551.78/21,335.92
  6. Step 6: Final answer
    x = 16,251.45

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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.