Home / 18,655.49-27,983.24-12,794.33

Finding the Fourth Proportional to 18,655.49, 27,983.24 and 12,794.33

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Solution

The fourth proportional to 18,655.49, 27,983.24 and 12,794.33 is: 19,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.49 : 27,983.24 = 12,794.33 : x
  2. Step 2: Convert to fraction form
    18,655.49/27,983.24 = 12,794.33/x
  3. Step 3: Cross multiply
    18,655.49x = 27,983.24 × 12,794.33
  4. Step 4: Simplify right side
    18,655.49x = 358,026,807.03
  5. Step 5: Solve for x
    x = 358,026,807.03/18,655.49
  6. Step 6: Final answer
    x = 19,191.50

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Similar ratio
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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.