Home / 12,767.58-19,151.37-4,003.20

Finding the Fourth Proportional to 12,767.58, 19,151.37 and 4,003.20

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Solution

The fourth proportional to 12,767.58, 19,151.37 and 4,003.20 is: 6,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.58 : 19,151.37 = 4,003.20 : x
  2. Step 2: Convert to fraction form
    12,767.58/19,151.37 = 4,003.20/x
  3. Step 3: Cross multiply
    12,767.58x = 19,151.37 × 4,003.20
  4. Step 4: Simplify right side
    12,767.58x = 76,666,764.38
  5. Step 5: Solve for x
    x = 76,666,764.38/12,767.58
  6. Step 6: Final answer
    x = 6,004.80

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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.