Home / 12,240.56-18,363.54-3,921.26

Finding the Fourth Proportional to 12,240.56, 18,363.54 and 3,921.26

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Solution

The fourth proportional to 12,240.56, 18,363.54 and 3,921.26 is: 5,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.56 : 18,363.54 = 3,921.26 : x
  2. Step 2: Convert to fraction form
    12,240.56/18,363.54 = 3,921.26/x
  3. Step 3: Cross multiply
    12,240.56x = 18,363.54 × 3,921.26
  4. Step 4: Simplify right side
    12,240.56x = 72,008,123.04
  5. Step 5: Solve for x
    x = 72,008,123.04/12,240.56
  6. Step 6: Final answer
    x = 5,882.75

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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.