Home / 19,565.12-27,001.68-11,180

Finding the Fourth Proportional to 19,565.12, 27,001.68 and 11,180

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Solution

The fourth proportional to 19,565.12, 27,001.68 and 11,180 is: 15,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.12 : 27,001.68 = 11,180 : x
  2. Step 2: Convert to fraction form
    19,565.12/27,001.68 = 11,180/x
  3. Step 3: Cross multiply
    19,565.12x = 27,001.68 × 11,180
  4. Step 4: Simplify right side
    19,565.12x = 301,878,782.40
  5. Step 5: Solve for x
    x = 301,878,782.40/19,565.12
  6. Step 6: Final answer
    x = 15,429.44

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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.