Home / 12,264.72-18,397.06-3,945.44

Finding the Fourth Proportional to 12,264.72, 18,397.06 and 3,945.44

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Solution

The fourth proportional to 12,264.72, 18,397.06 and 3,945.44 is: 5,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264.72 : 18,397.06 = 3,945.44 : x
  2. Step 2: Convert to fraction form
    12,264.72/18,397.06 = 3,945.44/x
  3. Step 3: Cross multiply
    12,264.72x = 18,397.06 × 3,945.44
  4. Step 4: Simplify right side
    12,264.72x = 72,584,532.54
  5. Step 5: Solve for x
    x = 72,584,532.54/12,264.72
  6. Step 6: Final answer
    x = 5,918.16

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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.