Home / 10,255.62-15,376.14-5,259.50

Finding the Fourth Proportional to 10,255.62, 15,376.14 and 5,259.50

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Solution

The fourth proportional to 10,255.62, 15,376.14 and 5,259.50 is: 7,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.62 : 15,376.14 = 5,259.50 : x
  2. Step 2: Convert to fraction form
    10,255.62/15,376.14 = 5,259.50/x
  3. Step 3: Cross multiply
    10,255.62x = 15,376.14 × 5,259.50
  4. Step 4: Simplify right side
    10,255.62x = 80,870,789.11
  5. Step 5: Solve for x
    x = 80,870,789.11/10,255.62
  6. Step 6: Final answer
    x = 7,885.51

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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.