Home / 13,322.33-19,987.47-3,962.66

Finding the Fourth Proportional to 13,322.33, 19,987.47 and 3,962.66

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Solution

The fourth proportional to 13,322.33, 19,987.47 and 3,962.66 is: 5,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.33 : 19,987.47 = 3,962.66 : x
  2. Step 2: Convert to fraction form
    13,322.33/19,987.47 = 3,962.66/x
  3. Step 3: Cross multiply
    13,322.33x = 19,987.47 × 3,962.66
  4. Step 4: Simplify right side
    13,322.33x = 79,203,547.87
  5. Step 5: Solve for x
    x = 79,203,547.87/13,322.33
  6. Step 6: Final answer
    x = 5,945.17

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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.