Home / 9,199.20-13,807.72-8,699.70

Finding the Fourth Proportional to 9,199.20, 13,807.72 and 8,699.70

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Solution

The fourth proportional to 9,199.20, 13,807.72 and 8,699.70 is: 13,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.20 : 13,807.72 = 8,699.70 : x
  2. Step 2: Convert to fraction form
    9,199.20/13,807.72 = 8,699.70/x
  3. Step 3: Cross multiply
    9,199.20x = 13,807.72 × 8,699.70
  4. Step 4: Simplify right side
    9,199.20x = 120,123,021.68
  5. Step 5: Solve for x
    x = 120,123,021.68/9,199.20
  6. Step 6: Final answer
    x = 13,057.99

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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.