Home / 11,801.71-17,705.13-5,561.74

Finding the Fourth Proportional to 11,801.71, 17,705.13 and 5,561.74

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Solution

The fourth proportional to 11,801.71, 17,705.13 and 5,561.74 is: 8,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.71 : 17,705.13 = 5,561.74 : x
  2. Step 2: Convert to fraction form
    11,801.71/17,705.13 = 5,561.74/x
  3. Step 3: Cross multiply
    11,801.71x = 17,705.13 × 5,561.74
  4. Step 4: Simplify right side
    11,801.71x = 98,471,329.73
  5. Step 5: Solve for x
    x = 98,471,329.73/11,801.71
  6. Step 6: Final answer
    x = 8,343.82

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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.