Home / 9,691.20-14,537.40-3,115.62

Finding the Fourth Proportional to 9,691.20, 14,537.40 and 3,115.62

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Solution

The fourth proportional to 9,691.20, 14,537.40 and 3,115.62 is: 4,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691.20 : 14,537.40 = 3,115.62 : x
  2. Step 2: Convert to fraction form
    9,691.20/14,537.40 = 3,115.62/x
  3. Step 3: Cross multiply
    9,691.20x = 14,537.40 × 3,115.62
  4. Step 4: Simplify right side
    9,691.20x = 45,293,014.19
  5. Step 5: Solve for x
    x = 45,293,014.19/9,691.20
  6. Step 6: Final answer
    x = 4,673.62

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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.