Home / 15,928.92-21,967.11-10,253.66

Finding the Fourth Proportional to 15,928.92, 21,967.11 and 10,253.66

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Solution

The fourth proportional to 15,928.92, 21,967.11 and 10,253.66 is: 14,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.92 : 21,967.11 = 10,253.66 : x
  2. Step 2: Convert to fraction form
    15,928.92/21,967.11 = 10,253.66/x
  3. Step 3: Cross multiply
    15,928.92x = 21,967.11 × 10,253.66
  4. Step 4: Simplify right side
    15,928.92x = 225,243,167.29
  5. Step 5: Solve for x
    x = 225,243,167.29/15,928.92
  6. Step 6: Final answer
    x = 14,140.52

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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.