Home / 11,129.13-15,327.23-8,601.93

Finding the Fourth Proportional to 11,129.13, 15,327.23 and 8,601.93

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Solution

The fourth proportional to 11,129.13, 15,327.23 and 8,601.93 is: 11,846.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.13 : 15,327.23 = 8,601.93 : x
  2. Step 2: Convert to fraction form
    11,129.13/15,327.23 = 8,601.93/x
  3. Step 3: Cross multiply
    11,129.13x = 15,327.23 × 8,601.93
  4. Step 4: Simplify right side
    11,129.13x = 131,843,716.54
  5. Step 5: Solve for x
    x = 131,843,716.54/11,129.13
  6. Step 6: Final answer
    x = 11,846.72

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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.