Home / 10,644.18-15,966.27-2,853.20

Finding the Fourth Proportional to 10,644.18, 15,966.27 and 2,853.20

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Solution

The fourth proportional to 10,644.18, 15,966.27 and 2,853.20 is: 4,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.18 : 15,966.27 = 2,853.20 : x
  2. Step 2: Convert to fraction form
    10,644.18/15,966.27 = 2,853.20/x
  3. Step 3: Cross multiply
    10,644.18x = 15,966.27 × 2,853.20
  4. Step 4: Simplify right side
    10,644.18x = 45,554,881.73
  5. Step 5: Solve for x
    x = 45,554,881.73/10,644.18
  6. Step 6: Final answer
    x = 4,279.79

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Similar ratio
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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.