Home / 21,229.68-29,246.32-14,844.32

Finding the Fourth Proportional to 21,229.68, 29,246.32 and 14,844.32

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Solution

The fourth proportional to 21,229.68, 29,246.32 and 14,844.32 is: 20,449.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,229.68 : 29,246.32 = 14,844.32 : x
  2. Step 2: Convert to fraction form
    21,229.68/29,246.32 = 14,844.32/x
  3. Step 3: Cross multiply
    21,229.68x = 29,246.32 × 14,844.32
  4. Step 4: Simplify right side
    21,229.68x = 434,141,768.91
  5. Step 5: Solve for x
    x = 434,141,768.91/21,229.68
  6. Step 6: Final answer
    x = 20,449.76

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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.