Home / 15,741.60-23,612.40-13,149.60

Finding the Fourth Proportional to 15,741.60, 23,612.40 and 13,149.60

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Solution

The fourth proportional to 15,741.60, 23,612.40 and 13,149.60 is: 19,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.60 : 23,612.40 = 13,149.60 : x
  2. Step 2: Convert to fraction form
    15,741.60/23,612.40 = 13,149.60/x
  3. Step 3: Cross multiply
    15,741.60x = 23,612.40 × 13,149.60
  4. Step 4: Simplify right side
    15,741.60x = 310,493,615.04
  5. Step 5: Solve for x
    x = 310,493,615.04/15,741.60
  6. Step 6: Final answer
    x = 19,724.40

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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.