Home / 15,624.23-21,561.26-8,550.56

Finding the Fourth Proportional to 15,624.23, 21,561.26 and 8,550.56

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Solution

The fourth proportional to 15,624.23, 21,561.26 and 8,550.56 is: 11,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.23 : 21,561.26 = 8,550.56 : x
  2. Step 2: Convert to fraction form
    15,624.23/21,561.26 = 8,550.56/x
  3. Step 3: Cross multiply
    15,624.23x = 21,561.26 × 8,550.56
  4. Step 4: Simplify right side
    15,624.23x = 184,360,858.46
  5. Step 5: Solve for x
    x = 184,360,858.46/15,624.23
  6. Step 6: Final answer
    x = 11,799.68

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