Home / 22,161.68-30,572.82-13,204.16

Finding the Fourth Proportional to 22,161.68, 30,572.82 and 13,204.16

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Solution

The fourth proportional to 22,161.68, 30,572.82 and 13,204.16 is: 18,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.68 : 30,572.82 = 13,204.16 : x
  2. Step 2: Convert to fraction form
    22,161.68/30,572.82 = 13,204.16/x
  3. Step 3: Cross multiply
    22,161.68x = 30,572.82 × 13,204.16
  4. Step 4: Simplify right side
    22,161.68x = 403,688,406.93
  5. Step 5: Solve for x
    x = 403,688,406.93/22,161.68
  6. Step 6: Final answer
    x = 18,215.60

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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.