Home / 10,772.07-16,166.21-4,932.78

Finding the Fourth Proportional to 10,772.07, 16,166.21 and 4,932.78

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Solution

The fourth proportional to 10,772.07, 16,166.21 and 4,932.78 is: 7,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.07 : 16,166.21 = 4,932.78 : x
  2. Step 2: Convert to fraction form
    10,772.07/16,166.21 = 4,932.78/x
  3. Step 3: Cross multiply
    10,772.07x = 16,166.21 × 4,932.78
  4. Step 4: Simplify right side
    10,772.07x = 79,744,332.70
  5. Step 5: Solve for x
    x = 79,744,332.70/10,772.07
  6. Step 6: Final answer
    x = 7,402.88

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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.