Home / 18,621.32-27,935.42-6,141.85

Finding the Fourth Proportional to 18,621.32, 27,935.42 and 6,141.85

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Solution

The fourth proportional to 18,621.32, 27,935.42 and 6,141.85 is: 9,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.32 : 27,935.42 = 6,141.85 : x
  2. Step 2: Convert to fraction form
    18,621.32/27,935.42 = 6,141.85/x
  3. Step 3: Cross multiply
    18,621.32x = 27,935.42 × 6,141.85
  4. Step 4: Simplify right side
    18,621.32x = 171,575,058.78
  5. Step 5: Solve for x
    x = 171,575,058.78/18,621.32
  6. Step 6: Final answer
    x = 9,213.91

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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.