Home / 16,631.30-22,951.19-11,335.37

Finding the Fourth Proportional to 16,631.30, 22,951.19 and 11,335.37

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Solution

The fourth proportional to 16,631.30, 22,951.19 and 11,335.37 is: 15,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.30 : 22,951.19 = 11,335.37 : x
  2. Step 2: Convert to fraction form
    16,631.30/22,951.19 = 11,335.37/x
  3. Step 3: Cross multiply
    16,631.30x = 22,951.19 × 11,335.37
  4. Step 4: Simplify right side
    16,631.30x = 260,160,122.92
  5. Step 5: Solve for x
    x = 260,160,122.92/16,631.30
  6. Step 6: Final answer
    x = 15,642.80

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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.