Home / 18,734.50-25,842.30-12,358.82

Finding the Fourth Proportional to 18,734.50, 25,842.30 and 12,358.82

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Solution

The fourth proportional to 18,734.50, 25,842.30 and 12,358.82 is: 17,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.50 : 25,842.30 = 12,358.82 : x
  2. Step 2: Convert to fraction form
    18,734.50/25,842.30 = 12,358.82/x
  3. Step 3: Cross multiply
    18,734.50x = 25,842.30 × 12,358.82
  4. Step 4: Simplify right side
    18,734.50x = 319,380,352.35
  5. Step 5: Solve for x
    x = 319,380,352.35/18,734.50
  6. Step 6: Final answer
    x = 17,047.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.