Home / 19,069.15-28,600.66-5,214.91

Finding the Fourth Proportional to 19,069.15, 28,600.66 and 5,214.91

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Solution

The fourth proportional to 19,069.15, 28,600.66 and 5,214.91 is: 7,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.15 : 28,600.66 = 5,214.91 : x
  2. Step 2: Convert to fraction form
    19,069.15/28,600.66 = 5,214.91/x
  3. Step 3: Cross multiply
    19,069.15x = 28,600.66 × 5,214.91
  4. Step 4: Simplify right side
    19,069.15x = 149,149,867.84
  5. Step 5: Solve for x
    x = 149,149,867.84/19,069.15
  6. Step 6: Final answer
    x = 7,821.53

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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.