Home / 19,824.98-29,729.76-9,957.36

Finding the Fourth Proportional to 19,824.98, 29,729.76 and 9,957.36

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Solution

The fourth proportional to 19,824.98, 29,729.76 and 9,957.36 is: 14,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.98 : 29,729.76 = 9,957.36 : x
  2. Step 2: Convert to fraction form
    19,824.98/29,729.76 = 9,957.36/x
  3. Step 3: Cross multiply
    19,824.98x = 29,729.76 × 9,957.36
  4. Step 4: Simplify right side
    19,824.98x = 296,029,923.03
  5. Step 5: Solve for x
    x = 296,029,923.03/19,824.98
  6. Step 6: Final answer
    x = 14,932.17

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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.