Home / 18,393.20-27,590.05-5,245.57

Finding the Fourth Proportional to 18,393.20, 27,590.05 and 5,245.57

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Solution

The fourth proportional to 18,393.20, 27,590.05 and 5,245.57 is: 7,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.20 : 27,590.05 = 5,245.57 : x
  2. Step 2: Convert to fraction form
    18,393.20/27,590.05 = 5,245.57/x
  3. Step 3: Cross multiply
    18,393.20x = 27,590.05 × 5,245.57
  4. Step 4: Simplify right side
    18,393.20x = 144,725,400.63
  5. Step 5: Solve for x
    x = 144,725,400.63/18,393.20
  6. Step 6: Final answer
    x = 7,868.42

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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.