Home / 12,337.66-17,021.19-7,860.61

Finding the Fourth Proportional to 12,337.66, 17,021.19 and 7,860.61

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Solution

The fourth proportional to 12,337.66, 17,021.19 and 7,860.61 is: 10,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.66 : 17,021.19 = 7,860.61 : x
  2. Step 2: Convert to fraction form
    12,337.66/17,021.19 = 7,860.61/x
  3. Step 3: Cross multiply
    12,337.66x = 17,021.19 × 7,860.61
  4. Step 4: Simplify right side
    12,337.66x = 133,796,936.33
  5. Step 5: Solve for x
    x = 133,796,936.33/12,337.66
  6. Step 6: Final answer
    x = 10,844.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.