Home / 13,567.20-20,350.80-11,104.80

Finding the Fourth Proportional to 13,567.20, 20,350.80 and 11,104.80

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Solution

The fourth proportional to 13,567.20, 20,350.80 and 11,104.80 is: 16,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.20 : 20,350.80 = 11,104.80 : x
  2. Step 2: Convert to fraction form
    13,567.20/20,350.80 = 11,104.80/x
  3. Step 3: Cross multiply
    13,567.20x = 20,350.80 × 11,104.80
  4. Step 4: Simplify right side
    13,567.20x = 225,991,563.84
  5. Step 5: Solve for x
    x = 225,991,563.84/13,567.20
  6. Step 6: Final answer
    x = 16,657.20

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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.