Home / 18,455.88-27,680.85-5,305.26

Finding the Fourth Proportional to 18,455.88, 27,680.85 and 5,305.26

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Solution

The fourth proportional to 18,455.88, 27,680.85 and 5,305.26 is: 7,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.88 : 27,680.85 = 5,305.26 : x
  2. Step 2: Convert to fraction form
    18,455.88/27,680.85 = 5,305.26/x
  3. Step 3: Cross multiply
    18,455.88x = 27,680.85 × 5,305.26
  4. Step 4: Simplify right side
    18,455.88x = 146,854,106.27
  5. Step 5: Solve for x
    x = 146,854,106.27/18,455.88
  6. Step 6: Final answer
    x = 7,957.04

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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.