Home / 15,228.80-22,857.60-9,396.80

Finding the Fourth Proportional to 15,228.80, 22,857.60 and 9,396.80

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Solution

The fourth proportional to 15,228.80, 22,857.60 and 9,396.80 is: 14,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228.80 : 22,857.60 = 9,396.80 : x
  2. Step 2: Convert to fraction form
    15,228.80/22,857.60 = 9,396.80/x
  3. Step 3: Cross multiply
    15,228.80x = 22,857.60 × 9,396.80
  4. Step 4: Simplify right side
    15,228.80x = 214,788,295.68
  5. Step 5: Solve for x
    x = 214,788,295.68/15,228.80
  6. Step 6: Final answer
    x = 14,104.09

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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.