Home / 10,106.73-15,150.78-9,276.48

Finding the Fourth Proportional to 10,106.73, 15,150.78 and 9,276.48

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Solution

The fourth proportional to 10,106.73, 15,150.78 and 9,276.48 is: 13,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.73 : 15,150.78 = 9,276.48 : x
  2. Step 2: Convert to fraction form
    10,106.73/15,150.78 = 9,276.48/x
  3. Step 3: Cross multiply
    10,106.73x = 15,150.78 × 9,276.48
  4. Step 4: Simplify right side
    10,106.73x = 140,545,907.65
  5. Step 5: Solve for x
    x = 140,545,907.65/10,106.73
  6. Step 6: Final answer
    x = 13,906.17

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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.