Home / 22,208.26-30,647.03-12,136.49

Finding the Fourth Proportional to 22,208.26, 30,647.03 and 12,136.49

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Solution

The fourth proportional to 22,208.26, 30,647.03 and 12,136.49 is: 16,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.26 : 30,647.03 = 12,136.49 : x
  2. Step 2: Convert to fraction form
    22,208.26/30,647.03 = 12,136.49/x
  3. Step 3: Cross multiply
    22,208.26x = 30,647.03 × 12,136.49
  4. Step 4: Simplify right side
    22,208.26x = 371,947,373.12
  5. Step 5: Solve for x
    x = 371,947,373.12/22,208.26
  6. Step 6: Final answer
    x = 16,748.15

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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.