Home / 13,257.28-19,882.82-5,857.70

Finding the Fourth Proportional to 13,257.28, 19,882.82 and 5,857.70

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Solution

The fourth proportional to 13,257.28, 19,882.82 and 5,857.70 is: 8,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.28 : 19,882.82 = 5,857.70 : x
  2. Step 2: Convert to fraction form
    13,257.28/19,882.82 = 5,857.70/x
  3. Step 3: Cross multiply
    13,257.28x = 19,882.82 × 5,857.70
  4. Step 4: Simplify right side
    13,257.28x = 116,467,594.71
  5. Step 5: Solve for x
    x = 116,467,594.71/13,257.28
  6. Step 6: Final answer
    x = 8,785.18

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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.