Home / 19,223.62-28,825.20-9,859.84

Finding the Fourth Proportional to 19,223.62, 28,825.20 and 9,859.84

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Solution

The fourth proportional to 19,223.62, 28,825.20 and 9,859.84 is: 14,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.62 : 28,825.20 = 9,859.84 : x
  2. Step 2: Convert to fraction form
    19,223.62/28,825.20 = 9,859.84/x
  3. Step 3: Cross multiply
    19,223.62x = 28,825.20 × 9,859.84
  4. Step 4: Simplify right side
    19,223.62x = 284,211,859.97
  5. Step 5: Solve for x
    x = 284,211,859.97/19,223.62
  6. Step 6: Final answer
    x = 14,784.51

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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.