Home / 13,150.08-19,699.20-10,843.20

Finding the Fourth Proportional to 13,150.08, 19,699.20 and 10,843.20

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Solution

The fourth proportional to 13,150.08, 19,699.20 and 10,843.20 is: 16,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.08 : 19,699.20 = 10,843.20 : x
  2. Step 2: Convert to fraction form
    13,150.08/19,699.20 = 10,843.20/x
  3. Step 3: Cross multiply
    13,150.08x = 19,699.20 × 10,843.20
  4. Step 4: Simplify right side
    13,150.08x = 213,602,365.44
  5. Step 5: Solve for x
    x = 213,602,365.44/13,150.08
  6. Step 6: Final answer
    x = 16,243.43

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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.