Home / 10,225.26-15,307.92-7,769.88

Finding the Fourth Proportional to 10,225.26, 15,307.92 and 7,769.88

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Solution

The fourth proportional to 10,225.26, 15,307.92 and 7,769.88 is: 11,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.26 : 15,307.92 = 7,769.88 : x
  2. Step 2: Convert to fraction form
    10,225.26/15,307.92 = 7,769.88/x
  3. Step 3: Cross multiply
    10,225.26x = 15,307.92 × 7,769.88
  4. Step 4: Simplify right side
    10,225.26x = 118,940,701.45
  5. Step 5: Solve for x
    x = 118,940,701.45/10,225.26
  6. Step 6: Final answer
    x = 11,632.05

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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.