Home / 12,067.28-18,089.56-6,512.30

Finding the Fourth Proportional to 12,067.28, 18,089.56 and 6,512.30

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Solution

The fourth proportional to 12,067.28, 18,089.56 and 6,512.30 is: 9,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.28 : 18,089.56 = 6,512.30 : x
  2. Step 2: Convert to fraction form
    12,067.28/18,089.56 = 6,512.30/x
  3. Step 3: Cross multiply
    12,067.28x = 18,089.56 × 6,512.30
  4. Step 4: Simplify right side
    12,067.28x = 117,804,641.59
  5. Step 5: Solve for x
    x = 117,804,641.59/12,067.28
  6. Step 6: Final answer
    x = 9,762.32

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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.