Home / 14,581.78-21,766.84-13,556.32

Finding the Fourth Proportional to 14,581.78, 21,766.84 and 13,556.32

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Solution

The fourth proportional to 14,581.78, 21,766.84 and 13,556.32 is: 20,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.78 : 21,766.84 = 13,556.32 : x
  2. Step 2: Convert to fraction form
    14,581.78/21,766.84 = 13,556.32/x
  3. Step 3: Cross multiply
    14,581.78x = 21,766.84 × 13,556.32
  4. Step 4: Simplify right side
    14,581.78x = 295,078,248.43
  5. Step 5: Solve for x
    x = 295,078,248.43/14,581.78
  6. Step 6: Final answer
    x = 20,236.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.