Home / 16,895.40-25,343.10-8,131.20

Finding the Fourth Proportional to 16,895.40, 25,343.10 and 8,131.20

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Solution

The fourth proportional to 16,895.40, 25,343.10 and 8,131.20 is: 12,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.40 : 25,343.10 = 8,131.20 : x
  2. Step 2: Convert to fraction form
    16,895.40/25,343.10 = 8,131.20/x
  3. Step 3: Cross multiply
    16,895.40x = 25,343.10 × 8,131.20
  4. Step 4: Simplify right side
    16,895.40x = 206,069,814.72
  5. Step 5: Solve for x
    x = 206,069,814.72/16,895.40
  6. Step 6: Final answer
    x = 12,196.80

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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.