Home / 10,343.06-15,521.50-3,679.28

Finding the Fourth Proportional to 10,343.06, 15,521.50 and 3,679.28

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Solution

The fourth proportional to 10,343.06, 15,521.50 and 3,679.28 is: 5,521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.06 : 15,521.50 = 3,679.28 : x
  2. Step 2: Convert to fraction form
    10,343.06/15,521.50 = 3,679.28/x
  3. Step 3: Cross multiply
    10,343.06x = 15,521.50 × 3,679.28
  4. Step 4: Simplify right side
    10,343.06x = 57,107,944.52
  5. Step 5: Solve for x
    x = 57,107,944.52/10,343.06
  6. Step 6: Final answer
    x = 5,521.38

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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.