Home / 21,356.16-29,467.92-11,924.76

Finding the Fourth Proportional to 21,356.16, 29,467.92 and 11,924.76

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Solution

The fourth proportional to 21,356.16, 29,467.92 and 11,924.76 is: 16,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.16 : 29,467.92 = 11,924.76 : x
  2. Step 2: Convert to fraction form
    21,356.16/29,467.92 = 11,924.76/x
  3. Step 3: Cross multiply
    21,356.16x = 29,467.92 × 11,924.76
  4. Step 4: Simplify right side
    21,356.16x = 351,397,873.70
  5. Step 5: Solve for x
    x = 351,397,873.70/21,356.16
  6. Step 6: Final answer
    x = 16,454.17

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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.