Home / 21,847.44-32,781.96-10,146.72

Finding the Fourth Proportional to 21,847.44, 32,781.96 and 10,146.72

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Solution

The fourth proportional to 21,847.44, 32,781.96 and 10,146.72 is: 15,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847.44 : 32,781.96 = 10,146.72 : x
  2. Step 2: Convert to fraction form
    21,847.44/32,781.96 = 10,146.72/x
  3. Step 3: Cross multiply
    21,847.44x = 32,781.96 × 10,146.72
  4. Step 4: Simplify right side
    21,847.44x = 332,629,369.17
  5. Step 5: Solve for x
    x = 332,629,369.17/21,847.44
  6. Step 6: Final answer
    x = 15,225.10

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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.