Home / 18,042.35-24,882.31-11,328.61

Finding the Fourth Proportional to 18,042.35, 24,882.31 and 11,328.61

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Solution

The fourth proportional to 18,042.35, 24,882.31 and 11,328.61 is: 15,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.35 : 24,882.31 = 11,328.61 : x
  2. Step 2: Convert to fraction form
    18,042.35/24,882.31 = 11,328.61/x
  3. Step 3: Cross multiply
    18,042.35x = 24,882.31 × 11,328.61
  4. Step 4: Simplify right side
    18,042.35x = 281,881,985.89
  5. Step 5: Solve for x
    x = 281,881,985.89/18,042.35
  6. Step 6: Final answer
    x = 15,623.35

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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.