Home / 15,898.20-21,936.60-11,910.84

Finding the Fourth Proportional to 15,898.20, 21,936.60 and 11,910.84

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Solution

The fourth proportional to 15,898.20, 21,936.60 and 11,910.84 is: 16,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.20 : 21,936.60 = 11,910.84 : x
  2. Step 2: Convert to fraction form
    15,898.20/21,936.60 = 11,910.84/x
  3. Step 3: Cross multiply
    15,898.20x = 21,936.60 × 11,910.84
  4. Step 4: Simplify right side
    15,898.20x = 261,283,332.74
  5. Step 5: Solve for x
    x = 261,283,332.74/15,898.20
  6. Step 6: Final answer
    x = 16,434.77

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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.