Home / 13,193.72-19,788.44-4,877.66

Finding the Fourth Proportional to 13,193.72, 19,788.44 and 4,877.66

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Solution

The fourth proportional to 13,193.72, 19,788.44 and 4,877.66 is: 7,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.72 : 19,788.44 = 4,877.66 : x
  2. Step 2: Convert to fraction form
    13,193.72/19,788.44 = 4,877.66/x
  3. Step 3: Cross multiply
    13,193.72x = 19,788.44 × 4,877.66
  4. Step 4: Simplify right side
    13,193.72x = 96,521,282.25
  5. Step 5: Solve for x
    x = 96,521,282.25/13,193.72
  6. Step 6: Final answer
    x = 7,315.70

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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.