Home / 12,194.40-18,277.08-5,865.30

Finding the Fourth Proportional to 12,194.40, 18,277.08 and 5,865.30

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Solution

The fourth proportional to 12,194.40, 18,277.08 and 5,865.30 is: 8,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.40 : 18,277.08 = 5,865.30 : x
  2. Step 2: Convert to fraction form
    12,194.40/18,277.08 = 5,865.30/x
  3. Step 3: Cross multiply
    12,194.40x = 18,277.08 × 5,865.30
  4. Step 4: Simplify right side
    12,194.40x = 107,200,557.32
  5. Step 5: Solve for x
    x = 107,200,557.32/12,194.40
  6. Step 6: Final answer
    x = 8,790.97

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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.