Home / 10,187.40-15,251.94-6,265.38

Finding the Fourth Proportional to 10,187.40, 15,251.94 and 6,265.38

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Solution

The fourth proportional to 10,187.40, 15,251.94 and 6,265.38 is: 9,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.40 : 15,251.94 = 6,265.38 : x
  2. Step 2: Convert to fraction form
    10,187.40/15,251.94 = 6,265.38/x
  3. Step 3: Cross multiply
    10,187.40x = 15,251.94 × 6,265.38
  4. Step 4: Simplify right side
    10,187.40x = 95,559,199.84
  5. Step 5: Solve for x
    x = 95,559,199.84/10,187.40
  6. Step 6: Final answer
    x = 9,380.14

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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.