Home / 11,529.18-17,268.93-7,811.01

Finding the Fourth Proportional to 11,529.18, 17,268.93 and 7,811.01

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Solution

The fourth proportional to 11,529.18, 17,268.93 and 7,811.01 is: 11,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.18 : 17,268.93 = 7,811.01 : x
  2. Step 2: Convert to fraction form
    11,529.18/17,268.93 = 7,811.01/x
  3. Step 3: Cross multiply
    11,529.18x = 17,268.93 × 7,811.01
  4. Step 4: Simplify right side
    11,529.18x = 134,887,784.92
  5. Step 5: Solve for x
    x = 134,887,784.92/11,529.18
  6. Step 6: Final answer
    x = 11,699.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.