Home / 12,229.90-18,353.06-4,332.38

Finding the Fourth Proportional to 12,229.90, 18,353.06 and 4,332.38

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Solution

The fourth proportional to 12,229.90, 18,353.06 and 4,332.38 is: 6,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.90 : 18,353.06 = 4,332.38 : x
  2. Step 2: Convert to fraction form
    12,229.90/18,353.06 = 4,332.38/x
  3. Step 3: Cross multiply
    12,229.90x = 18,353.06 × 4,332.38
  4. Step 4: Simplify right side
    12,229.90x = 79,512,408.42
  5. Step 5: Solve for x
    x = 79,512,408.42/12,229.90
  6. Step 6: Final answer
    x = 6,501.48

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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.