Home / 13,293.66-19,836.33-11,897.40

Finding the Fourth Proportional to 13,293.66, 19,836.33 and 11,897.40

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Solution

The fourth proportional to 13,293.66, 19,836.33 and 11,897.40 is: 17,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.66 : 19,836.33 = 11,897.40 : x
  2. Step 2: Convert to fraction form
    13,293.66/19,836.33 = 11,897.40/x
  3. Step 3: Cross multiply
    13,293.66x = 19,836.33 × 11,897.40
  4. Step 4: Simplify right side
    13,293.66x = 236,000,752.54
  5. Step 5: Solve for x
    x = 236,000,752.54/13,293.66
  6. Step 6: Final answer
    x = 17,752.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.