Home / 10,654.66-15,981.42-4,080.34

Finding the Fourth Proportional to 10,654.66, 15,981.42 and 4,080.34

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Solution

The fourth proportional to 10,654.66, 15,981.42 and 4,080.34 is: 6,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.66 : 15,981.42 = 4,080.34 : x
  2. Step 2: Convert to fraction form
    10,654.66/15,981.42 = 4,080.34/x
  3. Step 3: Cross multiply
    10,654.66x = 15,981.42 × 4,080.34
  4. Step 4: Simplify right side
    10,654.66x = 65,209,627.28
  5. Step 5: Solve for x
    x = 65,209,627.28/10,654.66
  6. Step 6: Final answer
    x = 6,120.29

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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.