Home / 10,920.22-16,381.85-3,522.29

Finding the Fourth Proportional to 10,920.22, 16,381.85 and 3,522.29

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Solution

The fourth proportional to 10,920.22, 16,381.85 and 3,522.29 is: 5,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.22 : 16,381.85 = 3,522.29 : x
  2. Step 2: Convert to fraction form
    10,920.22/16,381.85 = 3,522.29/x
  3. Step 3: Cross multiply
    10,920.22x = 16,381.85 × 3,522.29
  4. Step 4: Simplify right side
    10,920.22x = 57,701,526.92
  5. Step 5: Solve for x
    x = 57,701,526.92/10,920.22
  6. Step 6: Final answer
    x = 5,283.92

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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.