Home / 13,069.11-18,035.97-7,404.18

Finding the Fourth Proportional to 13,069.11, 18,035.97 and 7,404.18

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Solution

The fourth proportional to 13,069.11, 18,035.97 and 7,404.18 is: 10,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.11 : 18,035.97 = 7,404.18 : x
  2. Step 2: Convert to fraction form
    13,069.11/18,035.97 = 7,404.18/x
  3. Step 3: Cross multiply
    13,069.11x = 18,035.97 × 7,404.18
  4. Step 4: Simplify right side
    13,069.11x = 133,541,568.35
  5. Step 5: Solve for x
    x = 133,541,568.35/13,069.11
  6. Step 6: Final answer
    x = 10,218.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.