Home / 10,541.38-15,814.01-3,520.73

Finding the Fourth Proportional to 10,541.38, 15,814.01 and 3,520.73

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Solution

The fourth proportional to 10,541.38, 15,814.01 and 3,520.73 is: 5,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.38 : 15,814.01 = 3,520.73 : x
  2. Step 2: Convert to fraction form
    10,541.38/15,814.01 = 3,520.73/x
  3. Step 3: Cross multiply
    10,541.38x = 15,814.01 × 3,520.73
  4. Step 4: Simplify right side
    10,541.38x = 55,676,859.43
  5. Step 5: Solve for x
    x = 55,676,859.43/10,541.38
  6. Step 6: Final answer
    x = 5,281.74

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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.