Home / 18,269.07-27,406.65-6,419.79

Finding the Fourth Proportional to 18,269.07, 27,406.65 and 6,419.79

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Solution

The fourth proportional to 18,269.07, 27,406.65 and 6,419.79 is: 9,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.07 : 27,406.65 = 6,419.79 : x
  2. Step 2: Convert to fraction form
    18,269.07/27,406.65 = 6,419.79/x
  3. Step 3: Cross multiply
    18,269.07x = 27,406.65 × 6,419.79
  4. Step 4: Simplify right side
    18,269.07x = 175,944,937.60
  5. Step 5: Solve for x
    x = 175,944,937.60/18,269.07
  6. Step 6: Final answer
    x = 9,630.76

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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.