Home / 19,760.68-27,268.26-10,807.72

Finding the Fourth Proportional to 19,760.68, 27,268.26 and 10,807.72

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Solution

The fourth proportional to 19,760.68, 27,268.26 and 10,807.72 is: 14,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.68 : 27,268.26 = 10,807.72 : x
  2. Step 2: Convert to fraction form
    19,760.68/27,268.26 = 10,807.72/x
  3. Step 3: Cross multiply
    19,760.68x = 27,268.26 × 10,807.72
  4. Step 4: Simplify right side
    19,760.68x = 294,707,718.97
  5. Step 5: Solve for x
    x = 294,707,718.97/19,760.68
  6. Step 6: Final answer
    x = 14,913.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.