Home / 15,422.36-23,123.82-8,501.72

Finding the Fourth Proportional to 15,422.36, 23,123.82 and 8,501.72

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Solution

The fourth proportional to 15,422.36, 23,123.82 and 8,501.72 is: 12,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.36 : 23,123.82 = 8,501.72 : x
  2. Step 2: Convert to fraction form
    15,422.36/23,123.82 = 8,501.72/x
  3. Step 3: Cross multiply
    15,422.36x = 23,123.82 × 8,501.72
  4. Step 4: Simplify right side
    15,422.36x = 196,592,242.97
  5. Step 5: Solve for x
    x = 196,592,242.97/15,422.36
  6. Step 6: Final answer
    x = 12,747.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.