Home / 18,338.90-27,508.55-5,858.83

Finding the Fourth Proportional to 18,338.90, 27,508.55 and 5,858.83

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Solution

The fourth proportional to 18,338.90, 27,508.55 and 5,858.83 is: 8,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.90 : 27,508.55 = 5,858.83 : x
  2. Step 2: Convert to fraction form
    18,338.90/27,508.55 = 5,858.83/x
  3. Step 3: Cross multiply
    18,338.90x = 27,508.55 × 5,858.83
  4. Step 4: Simplify right side
    18,338.90x = 161,167,795.10
  5. Step 5: Solve for x
    x = 161,167,795.10/18,338.90
  6. Step 6: Final answer
    x = 8,788.30

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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.