Home / 16,266.40-22,447.44-9,192.80

Finding the Fourth Proportional to 16,266.40, 22,447.44 and 9,192.80

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Solution

The fourth proportional to 16,266.40, 22,447.44 and 9,192.80 is: 12,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,266.40 : 22,447.44 = 9,192.80 : x
  2. Step 2: Convert to fraction form
    16,266.40/22,447.44 = 9,192.80/x
  3. Step 3: Cross multiply
    16,266.40x = 22,447.44 × 9,192.80
  4. Step 4: Simplify right side
    16,266.40x = 206,354,826.43
  5. Step 5: Solve for x
    x = 206,354,826.43/16,266.40
  6. Step 6: Final answer
    x = 12,685.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.