Home / 11,620.85-16,036.88-6,904.22

Finding the Fourth Proportional to 11,620.85, 16,036.88 and 6,904.22

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Solution

The fourth proportional to 11,620.85, 16,036.88 and 6,904.22 is: 9,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.85 : 16,036.88 = 6,904.22 : x
  2. Step 2: Convert to fraction form
    11,620.85/16,036.88 = 6,904.22/x
  3. Step 3: Cross multiply
    11,620.85x = 16,036.88 × 6,904.22
  4. Step 4: Simplify right side
    11,620.85x = 110,722,032.93
  5. Step 5: Solve for x
    x = 110,722,032.93/11,620.85
  6. Step 6: Final answer
    x = 9,527.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.