Home / 18,728.26-25,845.16-10,344.76

Finding the Fourth Proportional to 18,728.26, 25,845.16 and 10,344.76

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Solution

The fourth proportional to 18,728.26, 25,845.16 and 10,344.76 is: 14,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.26 : 25,845.16 = 10,344.76 : x
  2. Step 2: Convert to fraction form
    18,728.26/25,845.16 = 10,344.76/x
  3. Step 3: Cross multiply
    18,728.26x = 25,845.16 × 10,344.76
  4. Step 4: Simplify right side
    18,728.26x = 267,361,977.36
  5. Step 5: Solve for x
    x = 267,361,977.36/18,728.26
  6. Step 6: Final answer
    x = 14,275.86

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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.