Home / 18,517.92-25,554.80-10,134.88

Finding the Fourth Proportional to 18,517.92, 25,554.80 and 10,134.88

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Solution

The fourth proportional to 18,517.92, 25,554.80 and 10,134.88 is: 13,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.92 : 25,554.80 = 10,134.88 : x
  2. Step 2: Convert to fraction form
    18,517.92/25,554.80 = 10,134.88/x
  3. Step 3: Cross multiply
    18,517.92x = 25,554.80 × 10,134.88
  4. Step 4: Simplify right side
    18,517.92x = 258,994,831.42
  5. Step 5: Solve for x
    x = 258,994,831.42/18,517.92
  6. Step 6: Final answer
    x = 13,986.17

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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.