Home / 18,910.58-28,363.71-5,060.66

Finding the Fourth Proportional to 18,910.58, 28,363.71 and 5,060.66

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Solution

The fourth proportional to 18,910.58, 28,363.71 and 5,060.66 is: 7,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.58 : 28,363.71 = 5,060.66 : x
  2. Step 2: Convert to fraction form
    18,910.58/28,363.71 = 5,060.66/x
  3. Step 3: Cross multiply
    18,910.58x = 28,363.71 × 5,060.66
  4. Step 4: Simplify right side
    18,910.58x = 143,539,092.65
  5. Step 5: Solve for x
    x = 143,539,092.65/18,910.58
  6. Step 6: Final answer
    x = 7,590.41

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1.5x scale

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.