Home / 10,542.40-15,808.26-3,519.91

Finding the Fourth Proportional to 10,542.40, 15,808.26 and 3,519.91

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Solution

The fourth proportional to 10,542.40, 15,808.26 and 3,519.91 is: 5,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.40 : 15,808.26 = 3,519.91 : x
  2. Step 2: Convert to fraction form
    10,542.40/15,808.26 = 3,519.91/x
  3. Step 3: Cross multiply
    10,542.40x = 15,808.26 × 3,519.91
  4. Step 4: Simplify right side
    10,542.40x = 55,643,652.46
  5. Step 5: Solve for x
    x = 55,643,652.46/10,542.40
  6. Step 6: Final answer
    x = 5,278.08

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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.