Home / 13,134.02-19,665.79-8,193.83

Finding the Fourth Proportional to 13,134.02, 19,665.79 and 8,193.83

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Solution

The fourth proportional to 13,134.02, 19,665.79 and 8,193.83 is: 12,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.02 : 19,665.79 = 8,193.83 : x
  2. Step 2: Convert to fraction form
    13,134.02/19,665.79 = 8,193.83/x
  3. Step 3: Cross multiply
    13,134.02x = 19,665.79 × 8,193.83
  4. Step 4: Simplify right side
    13,134.02x = 161,138,021.26
  5. Step 5: Solve for x
    x = 161,138,021.26/13,134.02
  6. Step 6: Final answer
    x = 12,268.76

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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.