Home / 9,949.32-13,731.12-6,174.90

Finding the Fourth Proportional to 9,949.32, 13,731.12 and 6,174.90

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Solution

The fourth proportional to 9,949.32, 13,731.12 and 6,174.90 is: 8,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.32 : 13,731.12 = 6,174.90 : x
  2. Step 2: Convert to fraction form
    9,949.32/13,731.12 = 6,174.90/x
  3. Step 3: Cross multiply
    9,949.32x = 13,731.12 × 6,174.90
  4. Step 4: Simplify right side
    9,949.32x = 84,788,292.89
  5. Step 5: Solve for x
    x = 84,788,292.89/9,949.32
  6. Step 6: Final answer
    x = 8,522.02

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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.