Home / 19,718.49-29,530.59-11,373.21

Finding the Fourth Proportional to 19,718.49, 29,530.59 and 11,373.21

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Solution

The fourth proportional to 19,718.49, 29,530.59 and 11,373.21 is: 17,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.49 : 29,530.59 = 11,373.21 : x
  2. Step 2: Convert to fraction form
    19,718.49/29,530.59 = 11,373.21/x
  3. Step 3: Cross multiply
    19,718.49x = 29,530.59 × 11,373.21
  4. Step 4: Simplify right side
    19,718.49x = 335,857,601.49
  5. Step 5: Solve for x
    x = 335,857,601.49/19,718.49
  6. Step 6: Final answer
    x = 17,032.62

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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.