Home / 11,572.05-17,357.91-2,806.91

Finding the Fourth Proportional to 11,572.05, 17,357.91 and 2,806.91

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Solution

The fourth proportional to 11,572.05, 17,357.91 and 2,806.91 is: 4,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.05 : 17,357.91 = 2,806.91 : x
  2. Step 2: Convert to fraction form
    11,572.05/17,357.91 = 2,806.91/x
  3. Step 3: Cross multiply
    11,572.05x = 17,357.91 × 2,806.91
  4. Step 4: Simplify right side
    11,572.05x = 48,722,091.16
  5. Step 5: Solve for x
    x = 48,722,091.16/11,572.05
  6. Step 6: Final answer
    x = 4,210.32

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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.