Home / 12,275.07-18,445.41-7,348.86

Finding the Fourth Proportional to 12,275.07, 18,445.41 and 7,348.86

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Solution

The fourth proportional to 12,275.07, 18,445.41 and 7,348.86 is: 11,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.07 : 18,445.41 = 7,348.86 : x
  2. Step 2: Convert to fraction form
    12,275.07/18,445.41 = 7,348.86/x
  3. Step 3: Cross multiply
    12,275.07x = 18,445.41 × 7,348.86
  4. Step 4: Simplify right side
    12,275.07x = 135,552,735.73
  5. Step 5: Solve for x
    x = 135,552,735.73/12,275.07
  6. Step 6: Final answer
    x = 11,042.93

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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.