Home / 14,375.82-21,596.40-12,407.52

Finding the Fourth Proportional to 14,375.82, 21,596.40 and 12,407.52

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Solution

The fourth proportional to 14,375.82, 21,596.40 and 12,407.52 is: 18,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.82 : 21,596.40 = 12,407.52 : x
  2. Step 2: Convert to fraction form
    14,375.82/21,596.40 = 12,407.52/x
  3. Step 3: Cross multiply
    14,375.82x = 21,596.40 × 12,407.52
  4. Step 4: Simplify right side
    14,375.82x = 267,957,764.93
  5. Step 5: Solve for x
    x = 267,957,764.93/14,375.82
  6. Step 6: Final answer
    x = 18,639.48

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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.