Home / 18,338.30-27,517.85-9,904.70

Finding the Fourth Proportional to 18,338.30, 27,517.85 and 9,904.70

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Solution

The fourth proportional to 18,338.30, 27,517.85 and 9,904.70 is: 14,862.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.30 : 27,517.85 = 9,904.70 : x
  2. Step 2: Convert to fraction form
    18,338.30/27,517.85 = 9,904.70/x
  3. Step 3: Cross multiply
    18,338.30x = 27,517.85 × 9,904.70
  4. Step 4: Simplify right side
    18,338.30x = 272,556,048.90
  5. Step 5: Solve for x
    x = 272,556,048.90/18,338.30
  6. Step 6: Final answer
    x = 14,862.67

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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.