Home / 10,177.28-15,267.56-4,983.56

Finding the Fourth Proportional to 10,177.28, 15,267.56 and 4,983.56

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Solution

The fourth proportional to 10,177.28, 15,267.56 and 4,983.56 is: 7,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.28 : 15,267.56 = 4,983.56 : x
  2. Step 2: Convert to fraction form
    10,177.28/15,267.56 = 4,983.56/x
  3. Step 3: Cross multiply
    10,177.28x = 15,267.56 × 4,983.56
  4. Step 4: Simplify right side
    10,177.28x = 76,086,801.31
  5. Step 5: Solve for x
    x = 76,086,801.31/10,177.28
  6. Step 6: Final answer
    x = 7,476.14

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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.