Home / 11,419.18-17,118.38-4,394.71

Finding the Fourth Proportional to 11,419.18, 17,118.38 and 4,394.71

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Solution

The fourth proportional to 11,419.18, 17,118.38 and 4,394.71 is: 6,588.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.18 : 17,118.38 = 4,394.71 : x
  2. Step 2: Convert to fraction form
    11,419.18/17,118.38 = 4,394.71/x
  3. Step 3: Cross multiply
    11,419.18x = 17,118.38 × 4,394.71
  4. Step 4: Simplify right side
    11,419.18x = 75,230,315.77
  5. Step 5: Solve for x
    x = 75,230,315.77/11,419.18
  6. Step 6: Final answer
    x = 6,588.07

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1.5x scale

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.