Home / 10,274.11-15,424.40-5,347.15

Finding the Fourth Proportional to 10,274.11, 15,424.40 and 5,347.15

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Solution

The fourth proportional to 10,274.11, 15,424.40 and 5,347.15 is: 8,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.11 : 15,424.40 = 5,347.15 : x
  2. Step 2: Convert to fraction form
    10,274.11/15,424.40 = 5,347.15/x
  3. Step 3: Cross multiply
    10,274.11x = 15,424.40 × 5,347.15
  4. Step 4: Simplify right side
    10,274.11x = 82,476,580.46
  5. Step 5: Solve for x
    x = 82,476,580.46/10,274.11
  6. Step 6: Final answer
    x = 8,027.61

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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.