Home / 10,922.20-16,381.50-4,683.22

Finding the Fourth Proportional to 10,922.20, 16,381.50 and 4,683.22

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Solution

The fourth proportional to 10,922.20, 16,381.50 and 4,683.22 is: 7,024.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.20 : 16,381.50 = 4,683.22 : x
  2. Step 2: Convert to fraction form
    10,922.20/16,381.50 = 4,683.22/x
  3. Step 3: Cross multiply
    10,922.20x = 16,381.50 × 4,683.22
  4. Step 4: Simplify right side
    10,922.20x = 76,718,168.43
  5. Step 5: Solve for x
    x = 76,718,168.43/10,922.20
  6. Step 6: Final answer
    x = 7,024.06

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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.