Home / 13,327.16-19,987.26-3,964.66

Finding the Fourth Proportional to 13,327.16, 19,987.26 and 3,964.66

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Solution

The fourth proportional to 13,327.16, 19,987.26 and 3,964.66 is: 5,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.16 : 19,987.26 = 3,964.66 : x
  2. Step 2: Convert to fraction form
    13,327.16/19,987.26 = 3,964.66/x
  3. Step 3: Cross multiply
    13,327.16x = 19,987.26 × 3,964.66
  4. Step 4: Simplify right side
    13,327.16x = 79,242,690.23
  5. Step 5: Solve for x
    x = 79,242,690.23/13,327.16
  6. Step 6: Final answer
    x = 5,945.95

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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.