Home / 19,740.73-29,631.59-11,436.96

Finding the Fourth Proportional to 19,740.73, 29,631.59 and 11,436.96

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Solution

The fourth proportional to 19,740.73, 29,631.59 and 11,436.96 is: 17,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.73 : 29,631.59 = 11,436.96 : x
  2. Step 2: Convert to fraction form
    19,740.73/29,631.59 = 11,436.96/x
  3. Step 3: Cross multiply
    19,740.73x = 29,631.59 × 11,436.96
  4. Step 4: Simplify right side
    19,740.73x = 338,895,309.57
  5. Step 5: Solve for x
    x = 338,895,309.57/19,740.73
  6. Step 6: Final answer
    x = 17,167.31

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1.5x scale

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.