Home / 15,126.27-20,876.12-9,160.02

Finding the Fourth Proportional to 15,126.27, 20,876.12 and 9,160.02

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Solution

The fourth proportional to 15,126.27, 20,876.12 and 9,160.02 is: 12,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.27 : 20,876.12 = 9,160.02 : x
  2. Step 2: Convert to fraction form
    15,126.27/20,876.12 = 9,160.02/x
  3. Step 3: Cross multiply
    15,126.27x = 20,876.12 × 9,160.02
  4. Step 4: Simplify right side
    15,126.27x = 191,225,676.72
  5. Step 5: Solve for x
    x = 191,225,676.72/15,126.27
  6. Step 6: Final answer
    x = 12,641.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.