Home / 10,581.15-15,871.73-6,644.55

Finding the Fourth Proportional to 10,581.15, 15,871.73 and 6,644.55

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Solution

The fourth proportional to 10,581.15, 15,871.73 and 6,644.55 is: 9,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.15 : 15,871.73 = 6,644.55 : x
  2. Step 2: Convert to fraction form
    10,581.15/15,871.73 = 6,644.55/x
  3. Step 3: Cross multiply
    10,581.15x = 15,871.73 × 6,644.55
  4. Step 4: Simplify right side
    10,581.15x = 105,460,470.35
  5. Step 5: Solve for x
    x = 105,460,470.35/10,581.15
  6. Step 6: Final answer
    x = 9,966.83

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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.