Home / 19,932.40-29,922.90-10,066.60

Finding the Fourth Proportional to 19,932.40, 29,922.90 and 10,066.60

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Solution

The fourth proportional to 19,932.40, 29,922.90 and 10,066.60 is: 15,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.40 : 29,922.90 = 10,066.60 : x
  2. Step 2: Convert to fraction form
    19,932.40/29,922.90 = 10,066.60/x
  3. Step 3: Cross multiply
    19,932.40x = 29,922.90 × 10,066.60
  4. Step 4: Simplify right side
    19,932.40x = 301,221,865.14
  5. Step 5: Solve for x
    x = 301,221,865.14/19,932.40
  6. Step 6: Final answer
    x = 15,112.17

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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.