Home / 10,895.10-15,035.25-6,115.15

Finding the Fourth Proportional to 10,895.10, 15,035.25 and 6,115.15

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Solution

The fourth proportional to 10,895.10, 15,035.25 and 6,115.15 is: 8,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.10 : 15,035.25 = 6,115.15 : x
  2. Step 2: Convert to fraction form
    10,895.10/15,035.25 = 6,115.15/x
  3. Step 3: Cross multiply
    10,895.10x = 15,035.25 × 6,115.15
  4. Step 4: Simplify right side
    10,895.10x = 91,942,809.04
  5. Step 5: Solve for x
    x = 91,942,809.04/10,895.10
  6. Step 6: Final answer
    x = 8,438.91

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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.