Home / 10,371.51-15,542.69-4,515.82

Finding the Fourth Proportional to 10,371.51, 15,542.69 and 4,515.82

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Solution

The fourth proportional to 10,371.51, 15,542.69 and 4,515.82 is: 6,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.51 : 15,542.69 = 4,515.82 : x
  2. Step 2: Convert to fraction form
    10,371.51/15,542.69 = 4,515.82/x
  3. Step 3: Cross multiply
    10,371.51x = 15,542.69 × 4,515.82
  4. Step 4: Simplify right side
    10,371.51x = 70,187,928.92
  5. Step 5: Solve for x
    x = 70,187,928.92/10,371.51
  6. Step 6: Final answer
    x = 6,767.38

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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.