Home / 8,687.28-13,030.94-6,101.76

Finding the Fourth Proportional to 8,687.28, 13,030.94 and 6,101.76

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Solution

The fourth proportional to 8,687.28, 13,030.94 and 6,101.76 is: 9,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687.28 : 13,030.94 = 6,101.76 : x
  2. Step 2: Convert to fraction form
    8,687.28/13,030.94 = 6,101.76/x
  3. Step 3: Cross multiply
    8,687.28x = 13,030.94 × 6,101.76
  4. Step 4: Simplify right side
    8,687.28x = 79,511,668.45
  5. Step 5: Solve for x
    x = 79,511,668.45/8,687.28
  6. Step 6: Final answer
    x = 9,152.65

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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.