Home / 15,624.26-21,561.41-8,550.66

Finding the Fourth Proportional to 15,624.26, 21,561.41 and 8,550.66

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Solution

The fourth proportional to 15,624.26, 21,561.41 and 8,550.66 is: 11,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.26 : 21,561.41 = 8,550.66 : x
  2. Step 2: Convert to fraction form
    15,624.26/21,561.41 = 8,550.66/x
  3. Step 3: Cross multiply
    15,624.26x = 21,561.41 × 8,550.66
  4. Step 4: Simplify right side
    15,624.26x = 184,364,286.03
  5. Step 5: Solve for x
    x = 184,364,286.03/15,624.26
  6. Step 6: Final answer
    x = 11,799.87

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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.