Home / 18,728.12-25,844.78-10,344.62

Finding the Fourth Proportional to 18,728.12, 25,844.78 and 10,344.62

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Solution

The fourth proportional to 18,728.12, 25,844.78 and 10,344.62 is: 14,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.12 : 25,844.78 = 10,344.62 : x
  2. Step 2: Convert to fraction form
    18,728.12/25,844.78 = 10,344.62/x
  3. Step 3: Cross multiply
    18,728.12x = 25,844.78 × 10,344.62
  4. Step 4: Simplify right side
    18,728.12x = 267,354,428.08
  5. Step 5: Solve for x
    x = 267,354,428.08/18,728.12
  6. Step 6: Final answer
    x = 14,275.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.