Home / 10,938.52-16,407.60-7,067.80

Finding the Fourth Proportional to 10,938.52, 16,407.60 and 7,067.80

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Solution

The fourth proportional to 10,938.52, 16,407.60 and 7,067.80 is: 10,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.52 : 16,407.60 = 7,067.80 : x
  2. Step 2: Convert to fraction form
    10,938.52/16,407.60 = 7,067.80/x
  3. Step 3: Cross multiply
    10,938.52x = 16,407.60 × 7,067.80
  4. Step 4: Simplify right side
    10,938.52x = 115,965,635.28
  5. Step 5: Solve for x
    x = 115,965,635.28/10,938.52
  6. Step 6: Final answer
    x = 10,601.58

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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.