Home / 22,812.12-34,240.05-12,959.73

Finding the Fourth Proportional to 22,812.12, 34,240.05 and 12,959.73

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Solution

The fourth proportional to 22,812.12, 34,240.05 and 12,959.73 is: 19,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,812.12 : 34,240.05 = 12,959.73 : x
  2. Step 2: Convert to fraction form
    22,812.12/34,240.05 = 12,959.73/x
  3. Step 3: Cross multiply
    22,812.12x = 34,240.05 × 12,959.73
  4. Step 4: Simplify right side
    22,812.12x = 443,741,803.19
  5. Step 5: Solve for x
    x = 443,741,803.19/22,812.12
  6. Step 6: Final answer
    x = 19,452.02

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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.