Home / 12,807.50-19,202.94-8,847.68

Finding the Fourth Proportional to 12,807.50, 19,202.94 and 8,847.68

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Solution

The fourth proportional to 12,807.50, 19,202.94 and 8,847.68 is: 13,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807.50 : 19,202.94 = 8,847.68 : x
  2. Step 2: Convert to fraction form
    12,807.50/19,202.94 = 8,847.68/x
  3. Step 3: Cross multiply
    12,807.50x = 19,202.94 × 8,847.68
  4. Step 4: Simplify right side
    12,807.50x = 169,901,372.16
  5. Step 5: Solve for x
    x = 169,901,372.16/12,807.50
  6. Step 6: Final answer
    x = 13,265.78

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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.