Home / 10,310.25-15,431.14-9,387.93

Finding the Fourth Proportional to 10,310.25, 15,431.14 and 9,387.93

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Solution

The fourth proportional to 10,310.25, 15,431.14 and 9,387.93 is: 14,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.25 : 15,431.14 = 9,387.93 : x
  2. Step 2: Convert to fraction form
    10,310.25/15,431.14 = 9,387.93/x
  3. Step 3: Cross multiply
    10,310.25x = 15,431.14 × 9,387.93
  4. Step 4: Simplify right side
    10,310.25x = 144,866,462.14
  5. Step 5: Solve for x
    x = 144,866,462.14/10,310.25
  6. Step 6: Final answer
    x = 14,050.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.