Home / 12,327.89-18,478.26-5,748.66

Finding the Fourth Proportional to 12,327.89, 18,478.26 and 5,748.66

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Solution

The fourth proportional to 12,327.89, 18,478.26 and 5,748.66 is: 8,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.89 : 18,478.26 = 5,748.66 : x
  2. Step 2: Convert to fraction form
    12,327.89/18,478.26 = 5,748.66/x
  3. Step 3: Cross multiply
    12,327.89x = 18,478.26 × 5,748.66
  4. Step 4: Simplify right side
    12,327.89x = 106,225,234.13
  5. Step 5: Solve for x
    x = 106,225,234.13/12,327.89
  6. Step 6: Final answer
    x = 8,616.66

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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.