Home / 12,711.93-19,067.91-5,312.34

Finding the Fourth Proportional to 12,711.93, 19,067.91 and 5,312.34

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Solution

The fourth proportional to 12,711.93, 19,067.91 and 5,312.34 is: 7,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.93 : 19,067.91 = 5,312.34 : x
  2. Step 2: Convert to fraction form
    12,711.93/19,067.91 = 5,312.34/x
  3. Step 3: Cross multiply
    12,711.93x = 19,067.91 × 5,312.34
  4. Step 4: Simplify right side
    12,711.93x = 101,295,221.01
  5. Step 5: Solve for x
    x = 101,295,221.01/12,711.93
  6. Step 6: Final answer
    x = 7,968.52

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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.