Home / 21,946.68-32,920.96-8,622.56

Finding the Fourth Proportional to 21,946.68, 32,920.96 and 8,622.56

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Solution

The fourth proportional to 21,946.68, 32,920.96 and 8,622.56 is: 12,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.68 : 32,920.96 = 8,622.56 : x
  2. Step 2: Convert to fraction form
    21,946.68/32,920.96 = 8,622.56/x
  3. Step 3: Cross multiply
    21,946.68x = 32,920.96 × 8,622.56
  4. Step 4: Simplify right side
    21,946.68x = 283,863,097.87
  5. Step 5: Solve for x
    x = 283,863,097.87/21,946.68
  6. Step 6: Final answer
    x = 12,934.21

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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.