Home / 18,516.61-25,548.84-10,959.17

Finding the Fourth Proportional to 18,516.61, 25,548.84 and 10,959.17

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Solution

The fourth proportional to 18,516.61, 25,548.84 and 10,959.17 is: 15,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.61 : 25,548.84 = 10,959.17 : x
  2. Step 2: Convert to fraction form
    18,516.61/25,548.84 = 10,959.17/x
  3. Step 3: Cross multiply
    18,516.61x = 25,548.84 × 10,959.17
  4. Step 4: Simplify right side
    18,516.61x = 279,994,144.73
  5. Step 5: Solve for x
    x = 279,994,144.73/18,516.61
  6. Step 6: Final answer
    x = 15,121.24

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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.