Home / 18,436.78-25,444.94-10,480.20

Finding the Fourth Proportional to 18,436.78, 25,444.94 and 10,480.20

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Solution

The fourth proportional to 18,436.78, 25,444.94 and 10,480.20 is: 14,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.78 : 25,444.94 = 10,480.20 : x
  2. Step 2: Convert to fraction form
    18,436.78/25,444.94 = 10,480.20/x
  3. Step 3: Cross multiply
    18,436.78x = 25,444.94 × 10,480.20
  4. Step 4: Simplify right side
    18,436.78x = 266,668,042.88
  5. Step 5: Solve for x
    x = 266,668,042.88/18,436.78
  6. Step 6: Final answer
    x = 14,463.92

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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.