Home / 13,188.24-19,781.73-4,867.65

Finding the Fourth Proportional to 13,188.24, 19,781.73 and 4,867.65

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Solution

The fourth proportional to 13,188.24, 19,781.73 and 4,867.65 is: 7,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.24 : 19,781.73 = 4,867.65 : x
  2. Step 2: Convert to fraction form
    13,188.24/19,781.73 = 4,867.65/x
  3. Step 3: Cross multiply
    13,188.24x = 19,781.73 × 4,867.65
  4. Step 4: Simplify right side
    13,188.24x = 96,290,538.03
  5. Step 5: Solve for x
    x = 96,290,538.03/13,188.24
  6. Step 6: Final answer
    x = 7,301.24

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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.