Home / 34,155.86-51,238.58-11,964.15

Finding the Fourth Proportional to 34,155.86, 51,238.58 and 11,964.15

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Solution

The fourth proportional to 34,155.86, 51,238.58 and 11,964.15 is: 17,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,155.86 : 51,238.58 = 11,964.15 : x
  2. Step 2: Convert to fraction form
    34,155.86/51,238.58 = 11,964.15/x
  3. Step 3: Cross multiply
    34,155.86x = 51,238.58 × 11,964.15
  4. Step 4: Simplify right side
    34,155.86x = 613,025,997.09
  5. Step 5: Solve for x
    x = 613,025,997.09/34,155.86
  6. Step 6: Final answer
    x = 17,947.90

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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.