Home / 21,297.82-29,390.96-12,350.52

Finding the Fourth Proportional to 21,297.82, 29,390.96 and 12,350.52

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Solution

The fourth proportional to 21,297.82, 29,390.96 and 12,350.52 is: 17,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,297.82 : 29,390.96 = 12,350.52 : x
  2. Step 2: Convert to fraction form
    21,297.82/29,390.96 = 12,350.52/x
  3. Step 3: Cross multiply
    21,297.82x = 29,390.96 × 12,350.52
  4. Step 4: Simplify right side
    21,297.82x = 362,993,639.30
  5. Step 5: Solve for x
    x = 362,993,639.30/21,297.82
  6. Step 6: Final answer
    x = 17,043.70

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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.