Home / 10,306.85-15,460.88-2,911.14

Finding the Fourth Proportional to 10,306.85, 15,460.88 and 2,911.14

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Solution

The fourth proportional to 10,306.85, 15,460.88 and 2,911.14 is: 4,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.85 : 15,460.88 = 2,911.14 : x
  2. Step 2: Convert to fraction form
    10,306.85/15,460.88 = 2,911.14/x
  3. Step 3: Cross multiply
    10,306.85x = 15,460.88 × 2,911.14
  4. Step 4: Simplify right side
    10,306.85x = 45,008,771.65
  5. Step 5: Solve for x
    x = 45,008,771.65/10,306.85
  6. Step 6: Final answer
    x = 4,366.88

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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.