Home / 13,562.72-20,344.80-4,328

Finding the Fourth Proportional to 13,562.72, 20,344.80 and 4,328

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Solution

The fourth proportional to 13,562.72, 20,344.80 and 4,328 is: 6,492.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.72 : 20,344.80 = 4,328 : x
  2. Step 2: Convert to fraction form
    13,562.72/20,344.80 = 4,328/x
  3. Step 3: Cross multiply
    13,562.72x = 20,344.80 × 4,328
  4. Step 4: Simplify right side
    13,562.72x = 88,052,294.40
  5. Step 5: Solve for x
    x = 88,052,294.40/13,562.72
  6. Step 6: Final answer
    x = 6,492.23

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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.