Home / 9,992.10-14,988.15-3,418.34

Finding the Fourth Proportional to 9,992.10, 14,988.15 and 3,418.34

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Solution

The fourth proportional to 9,992.10, 14,988.15 and 3,418.34 is: 5,127.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.10 : 14,988.15 = 3,418.34 : x
  2. Step 2: Convert to fraction form
    9,992.10/14,988.15 = 3,418.34/x
  3. Step 3: Cross multiply
    9,992.10x = 14,988.15 × 3,418.34
  4. Step 4: Simplify right side
    9,992.10x = 51,234,517.73
  5. Step 5: Solve for x
    x = 51,234,517.73/9,992.10
  6. Step 6: Final answer
    x = 5,127.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.