Home / 21,877.09-32,815.64-6,294.72

Finding the Fourth Proportional to 21,877.09, 32,815.64 and 6,294.72

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Solution

The fourth proportional to 21,877.09, 32,815.64 and 6,294.72 is: 9,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,877.09 : 32,815.64 = 6,294.72 : x
  2. Step 2: Convert to fraction form
    21,877.09/32,815.64 = 6,294.72/x
  3. Step 3: Cross multiply
    21,877.09x = 32,815.64 × 6,294.72
  4. Step 4: Simplify right side
    21,877.09x = 206,565,110.89
  5. Step 5: Solve for x
    x = 206,565,110.89/21,877.09
  6. Step 6: Final answer
    x = 9,442.07

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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.