Home / 20,017.36-30,026.64-6,869.54

Finding the Fourth Proportional to 20,017.36, 30,026.64 and 6,869.54

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Solution

The fourth proportional to 20,017.36, 30,026.64 and 6,869.54 is: 10,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.36 : 30,026.64 = 6,869.54 : x
  2. Step 2: Convert to fraction form
    20,017.36/30,026.64 = 6,869.54/x
  3. Step 3: Cross multiply
    20,017.36x = 30,026.64 × 6,869.54
  4. Step 4: Simplify right side
    20,017.36x = 206,269,204.55
  5. Step 5: Solve for x
    x = 206,269,204.55/20,017.36
  6. Step 6: Final answer
    x = 10,304.52

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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.