Home / 13,013.38-19,523.11-4,691.85

Finding the Fourth Proportional to 13,013.38, 19,523.11 and 4,691.85

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Solution

The fourth proportional to 13,013.38, 19,523.11 and 4,691.85 is: 7,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.38 : 19,523.11 = 4,691.85 : x
  2. Step 2: Convert to fraction form
    13,013.38/19,523.11 = 4,691.85/x
  3. Step 3: Cross multiply
    13,013.38x = 19,523.11 × 4,691.85
  4. Step 4: Simplify right side
    13,013.38x = 91,599,503.65
  5. Step 5: Solve for x
    x = 91,599,503.65/13,013.38
  6. Step 6: Final answer
    x = 7,038.87

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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.