Home / 9,199.41-13,790.82-8,920.53

Finding the Fourth Proportional to 9,199.41, 13,790.82 and 8,920.53

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Solution

The fourth proportional to 9,199.41, 13,790.82 and 8,920.53 is: 13,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.41 : 13,790.82 = 8,920.53 : x
  2. Step 2: Convert to fraction form
    9,199.41/13,790.82 = 8,920.53/x
  3. Step 3: Cross multiply
    9,199.41x = 13,790.82 × 8,920.53
  4. Step 4: Simplify right side
    9,199.41x = 123,021,423.53
  5. Step 5: Solve for x
    x = 123,021,423.53/9,199.41
  6. Step 6: Final answer
    x = 13,372.75

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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.