Home / 13,589.20-20,397.48-8,048.08

Finding the Fourth Proportional to 13,589.20, 20,397.48 and 8,048.08

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Solution

The fourth proportional to 13,589.20, 20,397.48 and 8,048.08 is: 12,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.20 : 20,397.48 = 8,048.08 : x
  2. Step 2: Convert to fraction form
    13,589.20/20,397.48 = 8,048.08/x
  3. Step 3: Cross multiply
    13,589.20x = 20,397.48 × 8,048.08
  4. Step 4: Simplify right side
    13,589.20x = 164,160,550.84
  5. Step 5: Solve for x
    x = 164,160,550.84/13,589.20
  6. Step 6: Final answer
    x = 12,080.22

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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.