Home / 10,193.47-15,265.51-5,182.66

Finding the Fourth Proportional to 10,193.47, 15,265.51 and 5,182.66

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Solution

The fourth proportional to 10,193.47, 15,265.51 and 5,182.66 is: 7,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.47 : 15,265.51 = 5,182.66 : x
  2. Step 2: Convert to fraction form
    10,193.47/15,265.51 = 5,182.66/x
  3. Step 3: Cross multiply
    10,193.47x = 15,265.51 × 5,182.66
  4. Step 4: Simplify right side
    10,193.47x = 79,115,896.94
  5. Step 5: Solve for x
    x = 79,115,896.94/10,193.47
  6. Step 6: Final answer
    x = 7,761.43

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1.5x scale

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.