Home / 15,371.12-23,063.97-9,143.41

Finding the Fourth Proportional to 15,371.12, 23,063.97 and 9,143.41

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Solution

The fourth proportional to 15,371.12, 23,063.97 and 9,143.41 is: 13,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.12 : 23,063.97 = 9,143.41 : x
  2. Step 2: Convert to fraction form
    15,371.12/23,063.97 = 9,143.41/x
  3. Step 3: Cross multiply
    15,371.12x = 23,063.97 × 9,143.41
  4. Step 4: Simplify right side
    15,371.12x = 210,883,211.80
  5. Step 5: Solve for x
    x = 210,883,211.80/15,371.12
  6. Step 6: Final answer
    x = 13,719.45

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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.