Home / 13,469.10-20,203.65-3,608.13

Finding the Fourth Proportional to 13,469.10, 20,203.65 and 3,608.13

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Solution

The fourth proportional to 13,469.10, 20,203.65 and 3,608.13 is: 5,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.10 : 20,203.65 = 3,608.13 : x
  2. Step 2: Convert to fraction form
    13,469.10/20,203.65 = 3,608.13/x
  3. Step 3: Cross multiply
    13,469.10x = 20,203.65 × 3,608.13
  4. Step 4: Simplify right side
    13,469.10x = 72,897,395.67
  5. Step 5: Solve for x
    x = 72,897,395.67/13,469.10
  6. Step 6: Final answer
    x = 5,412.20

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1.5x scale

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.