Home / 19,419.77-29,142.62-10,660.83

Finding the Fourth Proportional to 19,419.77, 29,142.62 and 10,660.83

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Solution

The fourth proportional to 19,419.77, 29,142.62 and 10,660.83 is: 15,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.77 : 29,142.62 = 10,660.83 : x
  2. Step 2: Convert to fraction form
    19,419.77/29,142.62 = 10,660.83/x
  3. Step 3: Cross multiply
    19,419.77x = 29,142.62 × 10,660.83
  4. Step 4: Simplify right side
    19,419.77x = 310,684,464.27
  5. Step 5: Solve for x
    x = 310,684,464.27/19,419.77
  6. Step 6: Final answer
    x = 15,998.36

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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.