Home / 18,490.59-27,740.54-5,342.87

Finding the Fourth Proportional to 18,490.59, 27,740.54 and 5,342.87

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Solution

The fourth proportional to 18,490.59, 27,740.54 and 5,342.87 is: 8,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.59 : 27,740.54 = 5,342.87 : x
  2. Step 2: Convert to fraction form
    18,490.59/27,740.54 = 5,342.87/x
  3. Step 3: Cross multiply
    18,490.59x = 27,740.54 × 5,342.87
  4. Step 4: Simplify right side
    18,490.59x = 148,214,181.66
  5. Step 5: Solve for x
    x = 148,214,181.66/18,490.59
  6. Step 6: Final answer
    x = 8,015.65

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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.