Home / 11,818.67-17,727.95-3,498.74

Finding the Fourth Proportional to 11,818.67, 17,727.95 and 3,498.74

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Solution

The fourth proportional to 11,818.67, 17,727.95 and 3,498.74 is: 5,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.67 : 17,727.95 = 3,498.74 : x
  2. Step 2: Convert to fraction form
    11,818.67/17,727.95 = 3,498.74/x
  3. Step 3: Cross multiply
    11,818.67x = 17,727.95 × 3,498.74
  4. Step 4: Simplify right side
    11,818.67x = 62,025,399.14
  5. Step 5: Solve for x
    x = 62,025,399.14/11,818.67
  6. Step 6: Final answer
    x = 5,248.09

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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.