Home / 11,151.30-16,726.95-8,672.70

Finding the Fourth Proportional to 11,151.30, 16,726.95 and 8,672.70

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Solution

The fourth proportional to 11,151.30, 16,726.95 and 8,672.70 is: 13,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.30 : 16,726.95 = 8,672.70 : x
  2. Step 2: Convert to fraction form
    11,151.30/16,726.95 = 8,672.70/x
  3. Step 3: Cross multiply
    11,151.30x = 16,726.95 × 8,672.70
  4. Step 4: Simplify right side
    11,151.30x = 145,067,819.27
  5. Step 5: Solve for x
    x = 145,067,819.27/11,151.30
  6. Step 6: Final answer
    x = 13,009.05

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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.