Home / 15,103.25-22,582.79-13,779.85

Finding the Fourth Proportional to 15,103.25, 22,582.79 and 13,779.85

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Solution

The fourth proportional to 15,103.25, 22,582.79 and 13,779.85 is: 20,603.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.25 : 22,582.79 = 13,779.85 : x
  2. Step 2: Convert to fraction form
    15,103.25/22,582.79 = 13,779.85/x
  3. Step 3: Cross multiply
    15,103.25x = 22,582.79 × 13,779.85
  4. Step 4: Simplify right side
    15,103.25x = 311,187,276.97
  5. Step 5: Solve for x
    x = 311,187,276.97/15,103.25
  6. Step 6: Final answer
    x = 20,603.99

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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.