Home / 21,136.16-29,167.53-11,704.52

Finding the Fourth Proportional to 21,136.16, 29,167.53 and 11,704.52

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Solution

The fourth proportional to 21,136.16, 29,167.53 and 11,704.52 is: 16,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,136.16 : 29,167.53 = 11,704.52 : x
  2. Step 2: Convert to fraction form
    21,136.16/29,167.53 = 11,704.52/x
  3. Step 3: Cross multiply
    21,136.16x = 29,167.53 × 11,704.52
  4. Step 4: Simplify right side
    21,136.16x = 341,391,792.40
  5. Step 5: Solve for x
    x = 341,391,792.40/21,136.16
  6. Step 6: Final answer
    x = 16,152.03

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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.