Home / 12,340.76-18,512.15-4,022.06

Finding the Fourth Proportional to 12,340.76, 18,512.15 and 4,022.06

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Solution

The fourth proportional to 12,340.76, 18,512.15 and 4,022.06 is: 6,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.76 : 18,512.15 = 4,022.06 : x
  2. Step 2: Convert to fraction form
    12,340.76/18,512.15 = 4,022.06/x
  3. Step 3: Cross multiply
    12,340.76x = 18,512.15 × 4,022.06
  4. Step 4: Simplify right side
    12,340.76x = 74,456,865.36
  5. Step 5: Solve for x
    x = 74,456,865.36/12,340.76
  6. Step 6: Final answer
    x = 6,033.41

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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.