Home / 20,202.88-30,304.81-6,875.85

Finding the Fourth Proportional to 20,202.88, 30,304.81 and 6,875.85

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Solution

The fourth proportional to 20,202.88, 30,304.81 and 6,875.85 is: 10,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.88 : 30,304.81 = 6,875.85 : x
  2. Step 2: Convert to fraction form
    20,202.88/30,304.81 = 6,875.85/x
  3. Step 3: Cross multiply
    20,202.88x = 30,304.81 × 6,875.85
  4. Step 4: Simplify right side
    20,202.88x = 208,371,197.01
  5. Step 5: Solve for x
    x = 208,371,197.01/20,202.88
  6. Step 6: Final answer
    x = 10,313.94

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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.