Home / 20,206.30-30,306.57-6,353.50

Finding the Fourth Proportional to 20,206.30, 30,306.57 and 6,353.50

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Solution

The fourth proportional to 20,206.30, 30,306.57 and 6,353.50 is: 9,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.30 : 30,306.57 = 6,353.50 : x
  2. Step 2: Convert to fraction form
    20,206.30/30,306.57 = 6,353.50/x
  3. Step 3: Cross multiply
    20,206.30x = 30,306.57 × 6,353.50
  4. Step 4: Simplify right side
    20,206.30x = 192,552,792.50
  5. Step 5: Solve for x
    x = 192,552,792.50/20,206.30
  6. Step 6: Final answer
    x = 9,529.34

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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.