Home / 12,242.91-18,364.38-3,476.70

Finding the Fourth Proportional to 12,242.91, 18,364.38 and 3,476.70

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Solution

The fourth proportional to 12,242.91, 18,364.38 and 3,476.70 is: 5,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.91 : 18,364.38 = 3,476.70 : x
  2. Step 2: Convert to fraction form
    12,242.91/18,364.38 = 3,476.70/x
  3. Step 3: Cross multiply
    12,242.91x = 18,364.38 × 3,476.70
  4. Step 4: Simplify right side
    12,242.91x = 63,847,439.95
  5. Step 5: Solve for x
    x = 63,847,439.95/12,242.91
  6. Step 6: Final answer
    x = 5,215.05

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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.