Home / 21,946.12-32,919.16-7,155.04

Finding the Fourth Proportional to 21,946.12, 32,919.16 and 7,155.04

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Solution

The fourth proportional to 21,946.12, 32,919.16 and 7,155.04 is: 10,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.12 : 32,919.16 = 7,155.04 : x
  2. Step 2: Convert to fraction form
    21,946.12/32,919.16 = 7,155.04/x
  3. Step 3: Cross multiply
    21,946.12x = 32,919.16 × 7,155.04
  4. Step 4: Simplify right side
    21,946.12x = 235,537,906.57
  5. Step 5: Solve for x
    x = 235,537,906.57/21,946.12
  6. Step 6: Final answer
    x = 10,732.55

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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.