Home / 18,590.30-27,889.78-5,442.92

Finding the Fourth Proportional to 18,590.30, 27,889.78 and 5,442.92

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Solution

The fourth proportional to 18,590.30, 27,889.78 and 5,442.92 is: 8,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.30 : 27,889.78 = 5,442.92 : x
  2. Step 2: Convert to fraction form
    18,590.30/27,889.78 = 5,442.92/x
  3. Step 3: Cross multiply
    18,590.30x = 27,889.78 × 5,442.92
  4. Step 4: Simplify right side
    18,590.30x = 151,801,841.36
  5. Step 5: Solve for x
    x = 151,801,841.36/18,590.30
  6. Step 6: Final answer
    x = 8,165.65

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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.