Home / 12,206.13-18,319.73-5,970.75

Finding the Fourth Proportional to 12,206.13, 18,319.73 and 5,970.75

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Solution

The fourth proportional to 12,206.13, 18,319.73 and 5,970.75 is: 8,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.13 : 18,319.73 = 5,970.75 : x
  2. Step 2: Convert to fraction form
    12,206.13/18,319.73 = 5,970.75/x
  3. Step 3: Cross multiply
    12,206.13x = 18,319.73 × 5,970.75
  4. Step 4: Simplify right side
    12,206.13x = 109,382,527.90
  5. Step 5: Solve for x
    x = 109,382,527.90/12,206.13
  6. Step 6: Final answer
    x = 8,961.28

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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.