Home / 12,613.44-18,920.16-10,776.96

Finding the Fourth Proportional to 12,613.44, 18,920.16 and 10,776.96

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Solution

The fourth proportional to 12,613.44, 18,920.16 and 10,776.96 is: 16,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613.44 : 18,920.16 = 10,776.96 : x
  2. Step 2: Convert to fraction form
    12,613.44/18,920.16 = 10,776.96/x
  3. Step 3: Cross multiply
    12,613.44x = 18,920.16 × 10,776.96
  4. Step 4: Simplify right side
    12,613.44x = 203,901,807.51
  5. Step 5: Solve for x
    x = 203,901,807.51/12,613.44
  6. Step 6: Final answer
    x = 16,165.44

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Similar ratio
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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.