Home / 18,254.38-27,381.78-5,774.11

Finding the Fourth Proportional to 18,254.38, 27,381.78 and 5,774.11

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Solution

The fourth proportional to 18,254.38, 27,381.78 and 5,774.11 is: 8,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.38 : 27,381.78 = 5,774.11 : x
  2. Step 2: Convert to fraction form
    18,254.38/27,381.78 = 5,774.11/x
  3. Step 3: Cross multiply
    18,254.38x = 27,381.78 × 5,774.11
  4. Step 4: Simplify right side
    18,254.38x = 158,105,409.72
  5. Step 5: Solve for x
    x = 158,105,409.72/18,254.38
  6. Step 6: Final answer
    x = 8,661.23

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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.