Home / 22,208.76-30,647.17-12,137.53

Finding the Fourth Proportional to 22,208.76, 30,647.17 and 12,137.53

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Solution

The fourth proportional to 22,208.76, 30,647.17 and 12,137.53 is: 16,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.76 : 30,647.17 = 12,137.53 : x
  2. Step 2: Convert to fraction form
    22,208.76/30,647.17 = 12,137.53/x
  3. Step 3: Cross multiply
    22,208.76x = 30,647.17 × 12,137.53
  4. Step 4: Simplify right side
    22,208.76x = 371,980,945.29
  5. Step 5: Solve for x
    x = 371,980,945.29/22,208.76
  6. Step 6: Final answer
    x = 16,749.29

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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.