Home / 15,107.62-22,639.54-8,519.80

Finding the Fourth Proportional to 15,107.62, 22,639.54 and 8,519.80

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Solution

The fourth proportional to 15,107.62, 22,639.54 and 8,519.80 is: 12,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.62 : 22,639.54 = 8,519.80 : x
  2. Step 2: Convert to fraction form
    15,107.62/22,639.54 = 8,519.80/x
  3. Step 3: Cross multiply
    15,107.62x = 22,639.54 × 8,519.80
  4. Step 4: Simplify right side
    15,107.62x = 192,884,352.89
  5. Step 5: Solve for x
    x = 192,884,352.89/15,107.62
  6. Step 6: Final answer
    x = 12,767.36

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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.