Home / 11,279.36-16,869.36-10,245.92

Finding the Fourth Proportional to 11,279.36, 16,869.36 and 10,245.92

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Solution

The fourth proportional to 11,279.36, 16,869.36 and 10,245.92 is: 15,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.36 : 16,869.36 = 10,245.92 : x
  2. Step 2: Convert to fraction form
    11,279.36/16,869.36 = 10,245.92/x
  3. Step 3: Cross multiply
    11,279.36x = 16,869.36 × 10,245.92
  4. Step 4: Simplify right side
    11,279.36x = 172,842,113.01
  5. Step 5: Solve for x
    x = 172,842,113.01/11,279.36
  6. Step 6: Final answer
    x = 15,323.75

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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.