Home / 12,141.52-18,214.70-3,823.63

Finding the Fourth Proportional to 12,141.52, 18,214.70 and 3,823.63

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Solution

The fourth proportional to 12,141.52, 18,214.70 and 3,823.63 is: 5,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.52 : 18,214.70 = 3,823.63 : x
  2. Step 2: Convert to fraction form
    12,141.52/18,214.70 = 3,823.63/x
  3. Step 3: Cross multiply
    12,141.52x = 18,214.70 × 3,823.63
  4. Step 4: Simplify right side
    12,141.52x = 69,646,273.36
  5. Step 5: Solve for x
    x = 69,646,273.36/12,141.52
  6. Step 6: Final answer
    x = 5,736.21

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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.