Home / 9,342.36-12,892.41-5,150.61

Finding the Fourth Proportional to 9,342.36, 12,892.41 and 5,150.61

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Solution

The fourth proportional to 9,342.36, 12,892.41 and 5,150.61 is: 7,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.36 : 12,892.41 = 5,150.61 : x
  2. Step 2: Convert to fraction form
    9,342.36/12,892.41 = 5,150.61/x
  3. Step 3: Cross multiply
    9,342.36x = 12,892.41 × 5,150.61
  4. Step 4: Simplify right side
    9,342.36x = 66,403,775.87
  5. Step 5: Solve for x
    x = 66,403,775.87/9,342.36
  6. Step 6: Final answer
    x = 7,107.82

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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.