Home / 12,347.96-18,523.76-3,581.73

Finding the Fourth Proportional to 12,347.96, 18,523.76 and 3,581.73

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Solution

The fourth proportional to 12,347.96, 18,523.76 and 3,581.73 is: 5,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.96 : 18,523.76 = 3,581.73 : x
  2. Step 2: Convert to fraction form
    12,347.96/18,523.76 = 3,581.73/x
  3. Step 3: Cross multiply
    12,347.96x = 18,523.76 × 3,581.73
  4. Step 4: Simplify right side
    12,347.96x = 66,347,089.00
  5. Step 5: Solve for x
    x = 66,347,089.00/12,347.96
  6. Step 6: Final answer
    x = 5,373.12

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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.