Home / 18,590.80-27,886.20-5,443.17

Finding the Fourth Proportional to 18,590.80, 27,886.20 and 5,443.17

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Solution

The fourth proportional to 18,590.80, 27,886.20 and 5,443.17 is: 8,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.80 : 27,886.20 = 5,443.17 : x
  2. Step 2: Convert to fraction form
    18,590.80/27,886.20 = 5,443.17/x
  3. Step 3: Cross multiply
    18,590.80x = 27,886.20 × 5,443.17
  4. Step 4: Simplify right side
    18,590.80x = 151,789,327.25
  5. Step 5: Solve for x
    x = 151,789,327.25/18,590.80
  6. Step 6: Final answer
    x = 8,164.76

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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.