Home / 10,423.19-15,634.79-3,502.55

Finding the Fourth Proportional to 10,423.19, 15,634.79 and 3,502.55

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Solution

The fourth proportional to 10,423.19, 15,634.79 and 3,502.55 is: 5,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.19 : 15,634.79 = 3,502.55 : x
  2. Step 2: Convert to fraction form
    10,423.19/15,634.79 = 3,502.55/x
  3. Step 3: Cross multiply
    10,423.19x = 15,634.79 × 3,502.55
  4. Step 4: Simplify right side
    10,423.19x = 54,761,668.42
  5. Step 5: Solve for x
    x = 54,761,668.42/10,423.19
  6. Step 6: Final answer
    x = 5,253.83

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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.