Home / 19,701.18-27,186.52-11,205.37

Finding the Fourth Proportional to 19,701.18, 27,186.52 and 11,205.37

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Solution

The fourth proportional to 19,701.18, 27,186.52 and 11,205.37 is: 15,462.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.18 : 27,186.52 = 11,205.37 : x
  2. Step 2: Convert to fraction form
    19,701.18/27,186.52 = 11,205.37/x
  3. Step 3: Cross multiply
    19,701.18x = 27,186.52 × 11,205.37
  4. Step 4: Simplify right side
    19,701.18x = 304,634,823.65
  5. Step 5: Solve for x
    x = 304,634,823.65/19,701.18
  6. Step 6: Final answer
    x = 15,462.77

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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.