Home / 21,963.06-32,946.39-7,171.65

Finding the Fourth Proportional to 21,963.06, 32,946.39 and 7,171.65

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Solution

The fourth proportional to 21,963.06, 32,946.39 and 7,171.65 is: 10,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963.06 : 32,946.39 = 7,171.65 : x
  2. Step 2: Convert to fraction form
    21,963.06/32,946.39 = 7,171.65/x
  3. Step 3: Cross multiply
    21,963.06x = 32,946.39 × 7,171.65
  4. Step 4: Simplify right side
    21,963.06x = 236,279,977.84
  5. Step 5: Solve for x
    x = 236,279,977.84/21,963.06
  6. Step 6: Final answer
    x = 10,758.06

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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.