Home / 9,129.30-13,676.18-5,999.87

Finding the Fourth Proportional to 9,129.30, 13,676.18 and 5,999.87

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Solution

The fourth proportional to 9,129.30, 13,676.18 and 5,999.87 is: 8,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.30 : 13,676.18 = 5,999.87 : x
  2. Step 2: Convert to fraction form
    9,129.30/13,676.18 = 5,999.87/x
  3. Step 3: Cross multiply
    9,129.30x = 13,676.18 × 5,999.87
  4. Step 4: Simplify right side
    9,129.30x = 82,055,233.72
  5. Step 5: Solve for x
    x = 82,055,233.72/9,129.30
  6. Step 6: Final answer
    x = 8,988.12

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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.