Home / 9,108.24-13,590.88-8,550.96

Finding the Fourth Proportional to 9,108.24, 13,590.88 and 8,550.96

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Solution

The fourth proportional to 9,108.24, 13,590.88 and 8,550.96 is: 12,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.24 : 13,590.88 = 8,550.96 : x
  2. Step 2: Convert to fraction form
    9,108.24/13,590.88 = 8,550.96/x
  3. Step 3: Cross multiply
    9,108.24x = 13,590.88 × 8,550.96
  4. Step 4: Simplify right side
    9,108.24x = 116,215,071.24
  5. Step 5: Solve for x
    x = 116,215,071.24/9,108.24
  6. Step 6: Final answer
    x = 12,759.33

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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.