Home / 11,865.60-16,367.52-7,390.08

Finding the Fourth Proportional to 11,865.60, 16,367.52 and 7,390.08

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Solution

The fourth proportional to 11,865.60, 16,367.52 and 7,390.08 is: 10,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.60 : 16,367.52 = 7,390.08 : x
  2. Step 2: Convert to fraction form
    11,865.60/16,367.52 = 7,390.08/x
  3. Step 3: Cross multiply
    11,865.60x = 16,367.52 × 7,390.08
  4. Step 4: Simplify right side
    11,865.60x = 120,957,282.20
  5. Step 5: Solve for x
    x = 120,957,282.20/11,865.60
  6. Step 6: Final answer
    x = 10,193.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.