Home / 16,722.20-25,112.10-8,946.20

Finding the Fourth Proportional to 16,722.20, 25,112.10 and 8,946.20

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Solution

The fourth proportional to 16,722.20, 25,112.10 and 8,946.20 is: 13,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.20 : 25,112.10 = 8,946.20 : x
  2. Step 2: Convert to fraction form
    16,722.20/25,112.10 = 8,946.20/x
  3. Step 3: Cross multiply
    16,722.20x = 25,112.10 × 8,946.20
  4. Step 4: Simplify right side
    16,722.20x = 224,657,869.02
  5. Step 5: Solve for x
    x = 224,657,869.02/16,722.20
  6. Step 6: Final answer
    x = 13,434.71

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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.