Home / 12,292.34-18,438.50-3,973.59

Finding the Fourth Proportional to 12,292.34, 18,438.50 and 3,973.59

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Solution

The fourth proportional to 12,292.34, 18,438.50 and 3,973.59 is: 5,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.34 : 18,438.50 = 3,973.59 : x
  2. Step 2: Convert to fraction form
    12,292.34/18,438.50 = 3,973.59/x
  3. Step 3: Cross multiply
    12,292.34x = 18,438.50 × 3,973.59
  4. Step 4: Simplify right side
    12,292.34x = 73,267,049.15
  5. Step 5: Solve for x
    x = 73,267,049.15/12,292.34
  6. Step 6: Final answer
    x = 5,960.39

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Similar ratio
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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.