Home / 10,938.95-16,377.44-8,502.27

Finding the Fourth Proportional to 10,938.95, 16,377.44 and 8,502.27

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Solution

The fourth proportional to 10,938.95, 16,377.44 and 8,502.27 is: 12,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.95 : 16,377.44 = 8,502.27 : x
  2. Step 2: Convert to fraction form
    10,938.95/16,377.44 = 8,502.27/x
  3. Step 3: Cross multiply
    10,938.95x = 16,377.44 × 8,502.27
  4. Step 4: Simplify right side
    10,938.95x = 139,245,360.69
  5. Step 5: Solve for x
    x = 139,245,360.69/10,938.95
  6. Step 6: Final answer
    x = 12,729.32

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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.