Home / 19,897.52-29,827.62-6,740.69

Finding the Fourth Proportional to 19,897.52, 29,827.62 and 6,740.69

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Solution

The fourth proportional to 19,897.52, 29,827.62 and 6,740.69 is: 10,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.52 : 29,827.62 = 6,740.69 : x
  2. Step 2: Convert to fraction form
    19,897.52/29,827.62 = 6,740.69/x
  3. Step 3: Cross multiply
    19,897.52x = 29,827.62 × 6,740.69
  4. Step 4: Simplify right side
    19,897.52x = 201,058,590.72
  5. Step 5: Solve for x
    x = 201,058,590.72/19,897.52
  6. Step 6: Final answer
    x = 10,104.71

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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.