Home / 10,489.26-15,736.65-5,225.82

Finding the Fourth Proportional to 10,489.26, 15,736.65 and 5,225.82

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Solution

The fourth proportional to 10,489.26, 15,736.65 and 5,225.82 is: 7,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.26 : 15,736.65 = 5,225.82 : x
  2. Step 2: Convert to fraction form
    10,489.26/15,736.65 = 5,225.82/x
  3. Step 3: Cross multiply
    10,489.26x = 15,736.65 × 5,225.82
  4. Step 4: Simplify right side
    10,489.26x = 82,236,900.30
  5. Step 5: Solve for x
    x = 82,236,900.30/10,489.26
  6. Step 6: Final answer
    x = 7,840.11

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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.