Home / 19,950.39-27,531.62-10,997.70

Finding the Fourth Proportional to 19,950.39, 27,531.62 and 10,997.70

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Solution

The fourth proportional to 19,950.39, 27,531.62 and 10,997.70 is: 15,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.39 : 27,531.62 = 10,997.70 : x
  2. Step 2: Convert to fraction form
    19,950.39/27,531.62 = 10,997.70/x
  3. Step 3: Cross multiply
    19,950.39x = 27,531.62 × 10,997.70
  4. Step 4: Simplify right side
    19,950.39x = 302,784,411.21
  5. Step 5: Solve for x
    x = 302,784,411.21/19,950.39
  6. Step 6: Final answer
    x = 15,176.87

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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.