Home / 15,213.38-22,823.28-5,725.76

Finding the Fourth Proportional to 15,213.38, 22,823.28 and 5,725.76

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Solution

The fourth proportional to 15,213.38, 22,823.28 and 5,725.76 is: 8,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.38 : 22,823.28 = 5,725.76 : x
  2. Step 2: Convert to fraction form
    15,213.38/22,823.28 = 5,725.76/x
  3. Step 3: Cross multiply
    15,213.38x = 22,823.28 × 5,725.76
  4. Step 4: Simplify right side
    15,213.38x = 130,680,623.69
  5. Step 5: Solve for x
    x = 130,680,623.69/15,213.38
  6. Step 6: Final answer
    x = 8,589.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.