Home / 20,106.07-30,160.77-7,626.07

Finding the Fourth Proportional to 20,106.07, 30,160.77 and 7,626.07

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Solution

The fourth proportional to 20,106.07, 30,160.77 and 7,626.07 is: 11,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106.07 : 30,160.77 = 7,626.07 : x
  2. Step 2: Convert to fraction form
    20,106.07/30,160.77 = 7,626.07/x
  3. Step 3: Cross multiply
    20,106.07x = 30,160.77 × 7,626.07
  4. Step 4: Simplify right side
    20,106.07x = 230,008,143.27
  5. Step 5: Solve for x
    x = 230,008,143.27/20,106.07
  6. Step 6: Final answer
    x = 11,439.74

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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.