Home / 10,992.40-16,456.20-7,298.80

Finding the Fourth Proportional to 10,992.40, 16,456.20 and 7,298.80

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Solution

The fourth proportional to 10,992.40, 16,456.20 and 7,298.80 is: 10,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.40 : 16,456.20 = 7,298.80 : x
  2. Step 2: Convert to fraction form
    10,992.40/16,456.20 = 7,298.80/x
  3. Step 3: Cross multiply
    10,992.40x = 16,456.20 × 7,298.80
  4. Step 4: Simplify right side
    10,992.40x = 120,110,512.56
  5. Step 5: Solve for x
    x = 120,110,512.56/10,992.40
  6. Step 6: Final answer
    x = 10,926.69

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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.