Home / 10,635.56-16,032.97-9,921.95

Finding the Fourth Proportional to 10,635.56, 16,032.97 and 9,921.95

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Solution

The fourth proportional to 10,635.56, 16,032.97 and 9,921.95 is: 14,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.56 : 16,032.97 = 9,921.95 : x
  2. Step 2: Convert to fraction form
    10,635.56/16,032.97 = 9,921.95/x
  3. Step 3: Cross multiply
    10,635.56x = 16,032.97 × 9,921.95
  4. Step 4: Simplify right side
    10,635.56x = 159,078,277.08
  5. Step 5: Solve for x
    x = 159,078,277.08/10,635.56
  6. Step 6: Final answer
    x = 14,957.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.