Home / 19,952.09-29,932.47-9,962.21

Finding the Fourth Proportional to 19,952.09, 29,932.47 and 9,962.21

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Solution

The fourth proportional to 19,952.09, 29,932.47 and 9,962.21 is: 14,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.09 : 29,932.47 = 9,962.21 : x
  2. Step 2: Convert to fraction form
    19,952.09/29,932.47 = 9,962.21/x
  3. Step 3: Cross multiply
    19,952.09x = 29,932.47 × 9,962.21
  4. Step 4: Simplify right side
    19,952.09x = 298,193,626.79
  5. Step 5: Solve for x
    x = 298,193,626.79/19,952.09
  6. Step 6: Final answer
    x = 14,945.48

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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.