Home / 20,001.69-27,603.36-11,049.12

Finding the Fourth Proportional to 20,001.69, 27,603.36 and 11,049.12

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Solution

The fourth proportional to 20,001.69, 27,603.36 and 11,049.12 is: 15,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.69 : 27,603.36 = 11,049.12 : x
  2. Step 2: Convert to fraction form
    20,001.69/27,603.36 = 11,049.12/x
  3. Step 3: Cross multiply
    20,001.69x = 27,603.36 × 11,049.12
  4. Step 4: Simplify right side
    20,001.69x = 304,992,837.04
  5. Step 5: Solve for x
    x = 304,992,837.04/20,001.69
  6. Step 6: Final answer
    x = 15,248.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.