Home / 15,680.85-23,521.14-3,994.05

Finding the Fourth Proportional to 15,680.85, 23,521.14 and 3,994.05

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Solution

The fourth proportional to 15,680.85, 23,521.14 and 3,994.05 is: 5,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680.85 : 23,521.14 = 3,994.05 : x
  2. Step 2: Convert to fraction form
    15,680.85/23,521.14 = 3,994.05/x
  3. Step 3: Cross multiply
    15,680.85x = 23,521.14 × 3,994.05
  4. Step 4: Simplify right side
    15,680.85x = 93,944,609.22
  5. Step 5: Solve for x
    x = 93,944,609.22/15,680.85
  6. Step 6: Final answer
    x = 5,991.04

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Double scale
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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.