Home / 16,591.68-22,865.76-11,286.72

Finding the Fourth Proportional to 16,591.68, 22,865.76 and 11,286.72

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Solution

The fourth proportional to 16,591.68, 22,865.76 and 11,286.72 is: 15,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,591.68 : 22,865.76 = 11,286.72 : x
  2. Step 2: Convert to fraction form
    16,591.68/22,865.76 = 11,286.72/x
  3. Step 3: Cross multiply
    16,591.68x = 22,865.76 × 11,286.72
  4. Step 4: Simplify right side
    16,591.68x = 258,079,430.71
  5. Step 5: Solve for x
    x = 258,079,430.71/16,591.68
  6. Step 6: Final answer
    x = 15,554.75

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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.