Home / 18,154.80-27,240.03-7,627.23

Finding the Fourth Proportional to 18,154.80, 27,240.03 and 7,627.23

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Solution

The fourth proportional to 18,154.80, 27,240.03 and 7,627.23 is: 11,444.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.80 : 27,240.03 = 7,627.23 : x
  2. Step 2: Convert to fraction form
    18,154.80/27,240.03 = 7,627.23/x
  3. Step 3: Cross multiply
    18,154.80x = 27,240.03 × 7,627.23
  4. Step 4: Simplify right side
    18,154.80x = 207,765,974.02
  5. Step 5: Solve for x
    x = 207,765,974.02/18,154.80
  6. Step 6: Final answer
    x = 11,444.13

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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.