Home / 13,456.56-20,176.20-9,284.88

Finding the Fourth Proportional to 13,456.56, 20,176.20 and 9,284.88

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Solution

The fourth proportional to 13,456.56, 20,176.20 and 9,284.88 is: 13,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.56 : 20,176.20 = 9,284.88 : x
  2. Step 2: Convert to fraction form
    13,456.56/20,176.20 = 9,284.88/x
  3. Step 3: Cross multiply
    13,456.56x = 20,176.20 × 9,284.88
  4. Step 4: Simplify right side
    13,456.56x = 187,333,595.86
  5. Step 5: Solve for x
    x = 187,333,595.86/13,456.56
  6. Step 6: Final answer
    x = 13,921.36

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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.