Home / 10,862.60-16,272.30-6,240.20

Finding the Fourth Proportional to 10,862.60, 16,272.30 and 6,240.20

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Solution

The fourth proportional to 10,862.60, 16,272.30 and 6,240.20 is: 9,347.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.60 : 16,272.30 = 6,240.20 : x
  2. Step 2: Convert to fraction form
    10,862.60/16,272.30 = 6,240.20/x
  3. Step 3: Cross multiply
    10,862.60x = 16,272.30 × 6,240.20
  4. Step 4: Simplify right side
    10,862.60x = 101,542,406.46
  5. Step 5: Solve for x
    x = 101,542,406.46/10,862.60
  6. Step 6: Final answer
    x = 9,347.89

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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.