Home / 19,230.20-28,839.90-6,086.60

Finding the Fourth Proportional to 19,230.20, 28,839.90 and 6,086.60

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Solution

The fourth proportional to 19,230.20, 28,839.90 and 6,086.60 is: 9,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.20 : 28,839.90 = 6,086.60 : x
  2. Step 2: Convert to fraction form
    19,230.20/28,839.90 = 6,086.60/x
  3. Step 3: Cross multiply
    19,230.20x = 28,839.90 × 6,086.60
  4. Step 4: Simplify right side
    19,230.20x = 175,536,935.34
  5. Step 5: Solve for x
    x = 175,536,935.34/19,230.20
  6. Step 6: Final answer
    x = 9,128.19

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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.