Home / 12,273.28-18,412.86-3,954.07

Finding the Fourth Proportional to 12,273.28, 18,412.86 and 3,954.07

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Solution

The fourth proportional to 12,273.28, 18,412.86 and 3,954.07 is: 5,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.28 : 18,412.86 = 3,954.07 : x
  2. Step 2: Convert to fraction form
    12,273.28/18,412.86 = 3,954.07/x
  3. Step 3: Cross multiply
    12,273.28x = 18,412.86 × 3,954.07
  4. Step 4: Simplify right side
    12,273.28x = 72,805,737.34
  5. Step 5: Solve for x
    x = 72,805,737.34/12,273.28
  6. Step 6: Final answer
    x = 5,932.05

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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.