Home / 19,727.47-29,590.39-10,956.79

Finding the Fourth Proportional to 19,727.47, 29,590.39 and 10,956.79

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Solution

The fourth proportional to 19,727.47, 29,590.39 and 10,956.79 is: 16,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.47 : 29,590.39 = 10,956.79 : x
  2. Step 2: Convert to fraction form
    19,727.47/29,590.39 = 10,956.79/x
  3. Step 3: Cross multiply
    19,727.47x = 29,590.39 × 10,956.79
  4. Step 4: Simplify right side
    19,727.47x = 324,215,689.25
  5. Step 5: Solve for x
    x = 324,215,689.25/19,727.47
  6. Step 6: Final answer
    x = 16,434.73

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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.