Home / 10,542.60-15,814.80-3,617.10

Finding the Fourth Proportional to 10,542.60, 15,814.80 and 3,617.10

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Solution

The fourth proportional to 10,542.60, 15,814.80 and 3,617.10 is: 5,425.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.60 : 15,814.80 = 3,617.10 : x
  2. Step 2: Convert to fraction form
    10,542.60/15,814.80 = 3,617.10/x
  3. Step 3: Cross multiply
    10,542.60x = 15,814.80 × 3,617.10
  4. Step 4: Simplify right side
    10,542.60x = 57,203,713.08
  5. Step 5: Solve for x
    x = 57,203,713.08/10,542.60
  6. Step 6: Final answer
    x = 5,425.96

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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.