Home / 11,721.99-17,582.45-4,325.97

Finding the Fourth Proportional to 11,721.99, 17,582.45 and 4,325.97

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Solution

The fourth proportional to 11,721.99, 17,582.45 and 4,325.97 is: 6,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.99 : 17,582.45 = 4,325.97 : x
  2. Step 2: Convert to fraction form
    11,721.99/17,582.45 = 4,325.97/x
  3. Step 3: Cross multiply
    11,721.99x = 17,582.45 × 4,325.97
  4. Step 4: Simplify right side
    11,721.99x = 76,061,129.60
  5. Step 5: Solve for x
    x = 76,061,129.60/11,721.99
  6. Step 6: Final answer
    x = 6,488.76

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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.