Home / 9,081.91-13,558.06-7,685.88

Finding the Fourth Proportional to 9,081.91, 13,558.06 and 7,685.88

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Solution

The fourth proportional to 9,081.91, 13,558.06 and 7,685.88 is: 11,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.91 : 13,558.06 = 7,685.88 : x
  2. Step 2: Convert to fraction form
    9,081.91/13,558.06 = 7,685.88/x
  3. Step 3: Cross multiply
    9,081.91x = 13,558.06 × 7,685.88
  4. Step 4: Simplify right side
    9,081.91x = 104,205,622.19
  5. Step 5: Solve for x
    x = 104,205,622.19/9,081.91
  6. Step 6: Final answer
    x = 11,473.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.