Home / 12,275.46-18,407.39-6,727.23

Finding the Fourth Proportional to 12,275.46, 18,407.39 and 6,727.23

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Solution

The fourth proportional to 12,275.46, 18,407.39 and 6,727.23 is: 10,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.46 : 18,407.39 = 6,727.23 : x
  2. Step 2: Convert to fraction form
    12,275.46/18,407.39 = 6,727.23/x
  3. Step 3: Cross multiply
    12,275.46x = 18,407.39 × 6,727.23
  4. Step 4: Simplify right side
    12,275.46x = 123,830,712.59
  5. Step 5: Solve for x
    x = 123,830,712.59/12,275.46
  6. Step 6: Final answer
    x = 10,087.66

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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.