Home / 15,741.40-23,612.10-5,353.15

Finding the Fourth Proportional to 15,741.40, 23,612.10 and 5,353.15

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Solution

The fourth proportional to 15,741.40, 23,612.10 and 5,353.15 is: 8,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.40 : 23,612.10 = 5,353.15 : x
  2. Step 2: Convert to fraction form
    15,741.40/23,612.10 = 5,353.15/x
  3. Step 3: Cross multiply
    15,741.40x = 23,612.10 × 5,353.15
  4. Step 4: Simplify right side
    15,741.40x = 126,399,113.12
  5. Step 5: Solve for x
    x = 126,399,113.12/15,741.40
  6. Step 6: Final answer
    x = 8,029.73

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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.