Home / 12,188.13-18,292.86-5,952.75

Finding the Fourth Proportional to 12,188.13, 18,292.86 and 5,952.75

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Solution

The fourth proportional to 12,188.13, 18,292.86 and 5,952.75 is: 8,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188.13 : 18,292.86 = 5,952.75 : x
  2. Step 2: Convert to fraction form
    12,188.13/18,292.86 = 5,952.75/x
  3. Step 3: Cross multiply
    12,188.13x = 18,292.86 × 5,952.75
  4. Step 4: Simplify right side
    12,188.13x = 108,892,822.37
  5. Step 5: Solve for x
    x = 108,892,822.37/12,188.13
  6. Step 6: Final answer
    x = 8,934.33

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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.