Home / 21,529.44-29,710.32-12,097.92

Finding the Fourth Proportional to 21,529.44, 29,710.32 and 12,097.92

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Solution

The fourth proportional to 21,529.44, 29,710.32 and 12,097.92 is: 16,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529.44 : 29,710.32 = 12,097.92 : x
  2. Step 2: Convert to fraction form
    21,529.44/29,710.32 = 12,097.92/x
  3. Step 3: Cross multiply
    21,529.44x = 29,710.32 × 12,097.92
  4. Step 4: Simplify right side
    21,529.44x = 359,433,074.53
  5. Step 5: Solve for x
    x = 359,433,074.53/21,529.44
  6. Step 6: Final answer
    x = 16,694.96

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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.