Home / 18,449.16-25,458.84-10,490.28

Finding the Fourth Proportional to 18,449.16, 25,458.84 and 10,490.28

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Solution

The fourth proportional to 18,449.16, 25,458.84 and 10,490.28 is: 14,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.16 : 25,458.84 = 10,490.28 : x
  2. Step 2: Convert to fraction form
    18,449.16/25,458.84 = 10,490.28/x
  3. Step 3: Cross multiply
    18,449.16x = 25,458.84 × 10,490.28
  4. Step 4: Simplify right side
    18,449.16x = 267,070,360.08
  5. Step 5: Solve for x
    x = 267,070,360.08/18,449.16
  6. Step 6: Final answer
    x = 14,476.02

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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.