Home / 10,254.54-15,371.01-5,318.94

Finding the Fourth Proportional to 10,254.54, 15,371.01 and 5,318.94

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Solution

The fourth proportional to 10,254.54, 15,371.01 and 5,318.94 is: 7,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.54 : 15,371.01 = 5,318.94 : x
  2. Step 2: Convert to fraction form
    10,254.54/15,371.01 = 5,318.94/x
  3. Step 3: Cross multiply
    10,254.54x = 15,371.01 × 5,318.94
  4. Step 4: Simplify right side
    10,254.54x = 81,757,479.93
  5. Step 5: Solve for x
    x = 81,757,479.93/10,254.54
  6. Step 6: Final answer
    x = 7,972.81

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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.