Home / 19,933.61-29,890.04-7,443.36

Finding the Fourth Proportional to 19,933.61, 29,890.04 and 7,443.36

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Solution

The fourth proportional to 19,933.61, 29,890.04 and 7,443.36 is: 11,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.61 : 29,890.04 = 7,443.36 : x
  2. Step 2: Convert to fraction form
    19,933.61/29,890.04 = 7,443.36/x
  3. Step 3: Cross multiply
    19,933.61x = 29,890.04 × 7,443.36
  4. Step 4: Simplify right side
    19,933.61x = 222,482,437.95
  5. Step 5: Solve for x
    x = 222,482,437.95/19,933.61
  6. Step 6: Final answer
    x = 11,161.17

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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.