Home / 13,322.66-19,987.99-6,308.02

Finding the Fourth Proportional to 13,322.66, 19,987.99 and 6,308.02

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Solution

The fourth proportional to 13,322.66, 19,987.99 and 6,308.02 is: 9,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.66 : 19,987.99 = 6,308.02 : x
  2. Step 2: Convert to fraction form
    13,322.66/19,987.99 = 6,308.02/x
  3. Step 3: Cross multiply
    13,322.66x = 19,987.99 × 6,308.02
  4. Step 4: Simplify right side
    13,322.66x = 126,084,640.68
  5. Step 5: Solve for x
    x = 126,084,640.68/13,322.66
  6. Step 6: Final answer
    x = 9,463.92

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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.