Home / 21,946.20-32,919.15-8,798.39

Finding the Fourth Proportional to 21,946.20, 32,919.15 and 8,798.39

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Solution

The fourth proportional to 21,946.20, 32,919.15 and 8,798.39 is: 13,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.20 : 32,919.15 = 8,798.39 : x
  2. Step 2: Convert to fraction form
    21,946.20/32,919.15 = 8,798.39/x
  3. Step 3: Cross multiply
    21,946.20x = 32,919.15 × 8,798.39
  4. Step 4: Simplify right side
    21,946.20x = 289,635,520.17
  5. Step 5: Solve for x
    x = 289,635,520.17/21,946.20
  6. Step 6: Final answer
    x = 13,197.52

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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.