Home / 21,297.67-29,392.07-11,737.53

Finding the Fourth Proportional to 21,297.67, 29,392.07 and 11,737.53

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Solution

The fourth proportional to 21,297.67, 29,392.07 and 11,737.53 is: 16,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,297.67 : 29,392.07 = 11,737.53 : x
  2. Step 2: Convert to fraction form
    21,297.67/29,392.07 = 11,737.53/x
  3. Step 3: Cross multiply
    21,297.67x = 29,392.07 × 11,737.53
  4. Step 4: Simplify right side
    21,297.67x = 344,990,327.36
  5. Step 5: Solve for x
    x = 344,990,327.36/21,297.67
  6. Step 6: Final answer
    x = 16,198.50

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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.