Home / 20,469.51-30,708.59-6,628.23

Finding the Fourth Proportional to 20,469.51, 30,708.59 and 6,628.23

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Solution

The fourth proportional to 20,469.51, 30,708.59 and 6,628.23 is: 9,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469.51 : 30,708.59 = 6,628.23 : x
  2. Step 2: Convert to fraction form
    20,469.51/30,708.59 = 6,628.23/x
  3. Step 3: Cross multiply
    20,469.51x = 30,708.59 × 6,628.23
  4. Step 4: Simplify right side
    20,469.51x = 203,543,564.35
  5. Step 5: Solve for x
    x = 203,543,564.35/20,469.51
  6. Step 6: Final answer
    x = 9,943.74

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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.