Home / 13,449.13-20,173.66-4,089.11

Finding the Fourth Proportional to 13,449.13, 20,173.66 and 4,089.11

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Solution

The fourth proportional to 13,449.13, 20,173.66 and 4,089.11 is: 6,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.13 : 20,173.66 = 4,089.11 : x
  2. Step 2: Convert to fraction form
    13,449.13/20,173.66 = 4,089.11/x
  3. Step 3: Cross multiply
    13,449.13x = 20,173.66 × 4,089.11
  4. Step 4: Simplify right side
    13,449.13x = 82,492,203.75
  5. Step 5: Solve for x
    x = 82,492,203.75/13,449.13
  6. Step 6: Final answer
    x = 6,133.65

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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.