Home / 10,406.80-15,610.28-4,167.35

Finding the Fourth Proportional to 10,406.80, 15,610.28 and 4,167.35

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Solution

The fourth proportional to 10,406.80, 15,610.28 and 4,167.35 is: 6,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.80 : 15,610.28 = 4,167.35 : x
  2. Step 2: Convert to fraction form
    10,406.80/15,610.28 = 4,167.35/x
  3. Step 3: Cross multiply
    10,406.80x = 15,610.28 × 4,167.35
  4. Step 4: Simplify right side
    10,406.80x = 65,053,500.36
  5. Step 5: Solve for x
    x = 65,053,500.36/10,406.80
  6. Step 6: Final answer
    x = 6,251.06

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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.