Home / 21,134.74-29,166.60-11,704.18

Finding the Fourth Proportional to 21,134.74, 29,166.60 and 11,704.18

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Solution

The fourth proportional to 21,134.74, 29,166.60 and 11,704.18 is: 16,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134.74 : 29,166.60 = 11,704.18 : x
  2. Step 2: Convert to fraction form
    21,134.74/29,166.60 = 11,704.18/x
  3. Step 3: Cross multiply
    21,134.74x = 29,166.60 × 11,704.18
  4. Step 4: Simplify right side
    21,134.74x = 341,371,136.39
  5. Step 5: Solve for x
    x = 341,371,136.39/21,134.74
  6. Step 6: Final answer
    x = 16,152.13

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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.