Home / 21,946.52-32,920.90-12,584.04

Finding the Fourth Proportional to 21,946.52, 32,920.90 and 12,584.04

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Solution

The fourth proportional to 21,946.52, 32,920.90 and 12,584.04 is: 18,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.52 : 32,920.90 = 12,584.04 : x
  2. Step 2: Convert to fraction form
    21,946.52/32,920.90 = 12,584.04/x
  3. Step 3: Cross multiply
    21,946.52x = 32,920.90 × 12,584.04
  4. Step 4: Simplify right side
    21,946.52x = 414,277,922.44
  5. Step 5: Solve for x
    x = 414,277,922.44/21,946.52
  6. Step 6: Final answer
    x = 18,876.70

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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.