Home / 20,066.50-30,100.05-9,537.60

Finding the Fourth Proportional to 20,066.50, 30,100.05 and 9,537.60

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Solution

The fourth proportional to 20,066.50, 30,100.05 and 9,537.60 is: 14,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.50 : 30,100.05 = 9,537.60 : x
  2. Step 2: Convert to fraction form
    20,066.50/30,100.05 = 9,537.60/x
  3. Step 3: Cross multiply
    20,066.50x = 30,100.05 × 9,537.60
  4. Step 4: Simplify right side
    20,066.50x = 287,082,106.12
  5. Step 5: Solve for x
    x = 287,082,106.12/20,066.50
  6. Step 6: Final answer
    x = 14,306.54

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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.