Home / 19,711.28-27,201.49-10,758.76

Finding the Fourth Proportional to 19,711.28, 27,201.49 and 10,758.76

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Solution

The fourth proportional to 19,711.28, 27,201.49 and 10,758.76 is: 14,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.28 : 27,201.49 = 10,758.76 : x
  2. Step 2: Convert to fraction form
    19,711.28/27,201.49 = 10,758.76/x
  3. Step 3: Cross multiply
    19,711.28x = 27,201.49 × 10,758.76
  4. Step 4: Simplify right side
    19,711.28x = 292,654,207.65
  5. Step 5: Solve for x
    x = 292,654,207.65/19,711.28
  6. Step 6: Final answer
    x = 14,847.04

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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.