Home / 15,741.40-23,612.10-9,902.20

Finding the Fourth Proportional to 15,741.40, 23,612.10 and 9,902.20

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Solution

The fourth proportional to 15,741.40, 23,612.10 and 9,902.20 is: 14,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.40 : 23,612.10 = 9,902.20 : x
  2. Step 2: Convert to fraction form
    15,741.40/23,612.10 = 9,902.20/x
  3. Step 3: Cross multiply
    15,741.40x = 23,612.10 × 9,902.20
  4. Step 4: Simplify right side
    15,741.40x = 233,811,736.62
  5. Step 5: Solve for x
    x = 233,811,736.62/15,741.40
  6. Step 6: Final answer
    x = 14,853.30

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Double scale
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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.