Home / 10,251.36-14,147.28-6,711.84

Finding the Fourth Proportional to 10,251.36, 14,147.28 and 6,711.84

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Solution

The fourth proportional to 10,251.36, 14,147.28 and 6,711.84 is: 9,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.36 : 14,147.28 = 6,711.84 : x
  2. Step 2: Convert to fraction form
    10,251.36/14,147.28 = 6,711.84/x
  3. Step 3: Cross multiply
    10,251.36x = 14,147.28 × 6,711.84
  4. Step 4: Simplify right side
    10,251.36x = 94,954,279.80
  5. Step 5: Solve for x
    x = 94,954,279.80/10,251.36
  6. Step 6: Final answer
    x = 9,262.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.