Home / 12,238.19-18,353.34-3,470.75

Finding the Fourth Proportional to 12,238.19, 18,353.34 and 3,470.75

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Solution

The fourth proportional to 12,238.19, 18,353.34 and 3,470.75 is: 5,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.19 : 18,353.34 = 3,470.75 : x
  2. Step 2: Convert to fraction form
    12,238.19/18,353.34 = 3,470.75/x
  3. Step 3: Cross multiply
    12,238.19x = 18,353.34 × 3,470.75
  4. Step 4: Simplify right side
    12,238.19x = 63,699,854.81
  5. Step 5: Solve for x
    x = 63,699,854.81/12,238.19
  6. Step 6: Final answer
    x = 5,205.01

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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.