Home / 12,256.70-18,348.60-7,323.80

Finding the Fourth Proportional to 12,256.70, 18,348.60 and 7,323.80

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Solution

The fourth proportional to 12,256.70, 18,348.60 and 7,323.80 is: 10,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.70 : 18,348.60 = 7,323.80 : x
  2. Step 2: Convert to fraction form
    12,256.70/18,348.60 = 7,323.80/x
  3. Step 3: Cross multiply
    12,256.70x = 18,348.60 × 7,323.80
  4. Step 4: Simplify right side
    12,256.70x = 134,381,476.68
  5. Step 5: Solve for x
    x = 134,381,476.68/12,256.70
  6. Step 6: Final answer
    x = 10,963.92

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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.