Home / 19,730.25-27,227.07-10,777.59

Finding the Fourth Proportional to 19,730.25, 27,227.07 and 10,777.59

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Solution

The fourth proportional to 19,730.25, 27,227.07 and 10,777.59 is: 14,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.25 : 27,227.07 = 10,777.59 : x
  2. Step 2: Convert to fraction form
    19,730.25/27,227.07 = 10,777.59/x
  3. Step 3: Cross multiply
    19,730.25x = 27,227.07 × 10,777.59
  4. Step 4: Simplify right side
    19,730.25x = 293,442,197.36
  5. Step 5: Solve for x
    x = 293,442,197.36/19,730.25
  6. Step 6: Final answer
    x = 14,872.71

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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.