Home / 13,569.30-20,350.35-4,209.30

Finding the Fourth Proportional to 13,569.30, 20,350.35 and 4,209.30

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Solution

The fourth proportional to 13,569.30, 20,350.35 and 4,209.30 is: 6,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.30 : 20,350.35 = 4,209.30 : x
  2. Step 2: Convert to fraction form
    13,569.30/20,350.35 = 4,209.30/x
  3. Step 3: Cross multiply
    13,569.30x = 20,350.35 × 4,209.30
  4. Step 4: Simplify right side
    13,569.30x = 85,660,728.26
  5. Step 5: Solve for x
    x = 85,660,728.26/13,569.30
  6. Step 6: Final answer
    x = 6,312.83

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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.