Home / 19,229.24-28,842.49-5,190.07

Finding the Fourth Proportional to 19,229.24, 28,842.49 and 5,190.07

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Solution

The fourth proportional to 19,229.24, 28,842.49 and 5,190.07 is: 7,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.24 : 28,842.49 = 5,190.07 : x
  2. Step 2: Convert to fraction form
    19,229.24/28,842.49 = 5,190.07/x
  3. Step 3: Cross multiply
    19,229.24x = 28,842.49 × 5,190.07
  4. Step 4: Simplify right side
    19,229.24x = 149,694,432.11
  5. Step 5: Solve for x
    x = 149,694,432.11/19,229.24
  6. Step 6: Final answer
    x = 7,784.73

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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.