Home / 16,515.45-22,759.85-16,211.81

Finding the Fourth Proportional to 16,515.45, 22,759.85 and 16,211.81

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Solution

The fourth proportional to 16,515.45, 22,759.85 and 16,211.81 is: 22,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.45 : 22,759.85 = 16,211.81 : x
  2. Step 2: Convert to fraction form
    16,515.45/22,759.85 = 16,211.81/x
  3. Step 3: Cross multiply
    16,515.45x = 22,759.85 × 16,211.81
  4. Step 4: Simplify right side
    16,515.45x = 368,978,290.56
  5. Step 5: Solve for x
    x = 368,978,290.56/16,515.45
  6. Step 6: Final answer
    x = 22,341.40

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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.