Home / 10,306.26-15,459.66-2,911.50

Finding the Fourth Proportional to 10,306.26, 15,459.66 and 2,911.50

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Solution

The fourth proportional to 10,306.26, 15,459.66 and 2,911.50 is: 4,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.26 : 15,459.66 = 2,911.50 : x
  2. Step 2: Convert to fraction form
    10,306.26/15,459.66 = 2,911.50/x
  3. Step 3: Cross multiply
    10,306.26x = 15,459.66 × 2,911.50
  4. Step 4: Simplify right side
    10,306.26x = 45,010,800.09
  5. Step 5: Solve for x
    x = 45,010,800.09/10,306.26
  6. Step 6: Final answer
    x = 4,367.33

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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.