Home / 22,242.78-33,355.08-11,136.24

Finding the Fourth Proportional to 22,242.78, 33,355.08 and 11,136.24

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Solution

The fourth proportional to 22,242.78, 33,355.08 and 11,136.24 is: 16,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.78 : 33,355.08 = 11,136.24 : x
  2. Step 2: Convert to fraction form
    22,242.78/33,355.08 = 11,136.24/x
  3. Step 3: Cross multiply
    22,242.78x = 33,355.08 × 11,136.24
  4. Step 4: Simplify right side
    22,242.78x = 371,450,176.10
  5. Step 5: Solve for x
    x = 371,450,176.10/22,242.78
  6. Step 6: Final answer
    x = 16,699.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.