Home / 12,727.11-19,065.83-8,331.24

Finding the Fourth Proportional to 12,727.11, 19,065.83 and 8,331.24

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Solution

The fourth proportional to 12,727.11, 19,065.83 and 8,331.24 is: 12,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.11 : 19,065.83 = 8,331.24 : x
  2. Step 2: Convert to fraction form
    12,727.11/19,065.83 = 8,331.24/x
  3. Step 3: Cross multiply
    12,727.11x = 19,065.83 × 8,331.24
  4. Step 4: Simplify right side
    12,727.11x = 158,842,005.53
  5. Step 5: Solve for x
    x = 158,842,005.53/12,727.11
  6. Step 6: Final answer
    x = 12,480.60

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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.