Home / 12,249.48-16,892.60-8,225.40

Finding the Fourth Proportional to 12,249.48, 16,892.60 and 8,225.40

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Solution

The fourth proportional to 12,249.48, 16,892.60 and 8,225.40 is: 11,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.48 : 16,892.60 = 8,225.40 : x
  2. Step 2: Convert to fraction form
    12,249.48/16,892.60 = 8,225.40/x
  3. Step 3: Cross multiply
    12,249.48x = 16,892.60 × 8,225.40
  4. Step 4: Simplify right side
    12,249.48x = 138,948,392.04
  5. Step 5: Solve for x
    x = 138,948,392.04/12,249.48
  6. Step 6: Final answer
    x = 11,343.21

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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.