Home / 20,202.89-30,306.29-6,885.27

Finding the Fourth Proportional to 20,202.89, 30,306.29 and 6,885.27

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Solution

The fourth proportional to 20,202.89, 30,306.29 and 6,885.27 is: 10,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.89 : 30,306.29 = 6,885.27 : x
  2. Step 2: Convert to fraction form
    20,202.89/30,306.29 = 6,885.27/x
  3. Step 3: Cross multiply
    20,202.89x = 30,306.29 × 6,885.27
  4. Step 4: Simplify right side
    20,202.89x = 208,666,954.92
  5. Step 5: Solve for x
    x = 208,666,954.92/20,202.89
  6. Step 6: Final answer
    x = 10,328.57

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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.