Home / 13,560.75-20,328.30-10,223.82

Finding the Fourth Proportional to 13,560.75, 20,328.30 and 10,223.82

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Solution

The fourth proportional to 13,560.75, 20,328.30 and 10,223.82 is: 15,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.75 : 20,328.30 = 10,223.82 : x
  2. Step 2: Convert to fraction form
    13,560.75/20,328.30 = 10,223.82/x
  3. Step 3: Cross multiply
    13,560.75x = 20,328.30 × 10,223.82
  4. Step 4: Simplify right side
    13,560.75x = 207,832,880.11
  5. Step 5: Solve for x
    x = 207,832,880.11/13,560.75
  6. Step 6: Final answer
    x = 15,326.06

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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.