Home / 22,546.58-31,104.34-13,588.79

Finding the Fourth Proportional to 22,546.58, 31,104.34 and 13,588.79

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Solution

The fourth proportional to 22,546.58, 31,104.34 and 13,588.79 is: 18,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,546.58 : 31,104.34 = 13,588.79 : x
  2. Step 2: Convert to fraction form
    22,546.58/31,104.34 = 13,588.79/x
  3. Step 3: Cross multiply
    22,546.58x = 31,104.34 × 13,588.79
  4. Step 4: Simplify right side
    22,546.58x = 422,670,154.85
  5. Step 5: Solve for x
    x = 422,670,154.85/22,546.58
  6. Step 6: Final answer
    x = 18,746.53

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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.