Home / 18,144.95-27,218.43-5,666.69

Finding the Fourth Proportional to 18,144.95, 27,218.43 and 5,666.69

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Solution

The fourth proportional to 18,144.95, 27,218.43 and 5,666.69 is: 8,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.95 : 27,218.43 = 5,666.69 : x
  2. Step 2: Convert to fraction form
    18,144.95/27,218.43 = 5,666.69/x
  3. Step 3: Cross multiply
    18,144.95x = 27,218.43 × 5,666.69
  4. Step 4: Simplify right side
    18,144.95x = 154,238,473.14
  5. Step 5: Solve for x
    x = 154,238,473.14/18,144.95
  6. Step 6: Final answer
    x = 8,500.35

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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.