Home / 22,919.97-31,628.99-12,710.94

Finding the Fourth Proportional to 22,919.97, 31,628.99 and 12,710.94

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Solution

The fourth proportional to 22,919.97, 31,628.99 and 12,710.94 is: 17,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.97 : 31,628.99 = 12,710.94 : x
  2. Step 2: Convert to fraction form
    22,919.97/31,628.99 = 12,710.94/x
  3. Step 3: Cross multiply
    22,919.97x = 31,628.99 × 12,710.94
  4. Step 4: Simplify right side
    22,919.97x = 402,034,130.60
  5. Step 5: Solve for x
    x = 402,034,130.60/22,919.97
  6. Step 6: Final answer
    x = 17,540.78

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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.