Home / 17,385.94-23,988.56-11,731.18

Finding the Fourth Proportional to 17,385.94, 23,988.56 and 11,731.18

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Solution

The fourth proportional to 17,385.94, 23,988.56 and 11,731.18 is: 16,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.94 : 23,988.56 = 11,731.18 : x
  2. Step 2: Convert to fraction form
    17,385.94/23,988.56 = 11,731.18/x
  3. Step 3: Cross multiply
    17,385.94x = 23,988.56 × 11,731.18
  4. Step 4: Simplify right side
    17,385.94x = 281,414,041.65
  5. Step 5: Solve for x
    x = 281,414,041.65/17,385.94
  6. Step 6: Final answer
    x = 16,186.30

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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.