Home / 18,400.28-25,393.17-10,443.25

Finding the Fourth Proportional to 18,400.28, 25,393.17 and 10,443.25

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Solution

The fourth proportional to 18,400.28, 25,393.17 and 10,443.25 is: 14,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.28 : 25,393.17 = 10,443.25 : x
  2. Step 2: Convert to fraction form
    18,400.28/25,393.17 = 10,443.25/x
  3. Step 3: Cross multiply
    18,400.28x = 25,393.17 × 10,443.25
  4. Step 4: Simplify right side
    18,400.28x = 265,187,121.30
  5. Step 5: Solve for x
    x = 265,187,121.30/18,400.28
  6. Step 6: Final answer
    x = 14,412.12

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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.