Home / 21,133.73-29,166.53-11,704.13

Finding the Fourth Proportional to 21,133.73, 29,166.53 and 11,704.13

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Solution

The fourth proportional to 21,133.73, 29,166.53 and 11,704.13 is: 16,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,133.73 : 29,166.53 = 11,704.13 : x
  2. Step 2: Convert to fraction form
    21,133.73/29,166.53 = 11,704.13/x
  3. Step 3: Cross multiply
    21,133.73x = 29,166.53 × 11,704.13
  4. Step 4: Simplify right side
    21,133.73x = 341,368,858.77
  5. Step 5: Solve for x
    x = 341,368,858.77/21,133.73
  6. Step 6: Final answer
    x = 16,152.80

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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.