Home / 11,427.38-17,136.51-4,403.49

Finding the Fourth Proportional to 11,427.38, 17,136.51 and 4,403.49

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Solution

The fourth proportional to 11,427.38, 17,136.51 and 4,403.49 is: 6,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.38 : 17,136.51 = 4,403.49 : x
  2. Step 2: Convert to fraction form
    11,427.38/17,136.51 = 4,403.49/x
  3. Step 3: Cross multiply
    11,427.38x = 17,136.51 × 4,403.49
  4. Step 4: Simplify right side
    11,427.38x = 75,460,442.61
  5. Step 5: Solve for x
    x = 75,460,442.61/11,427.38
  6. Step 6: Final answer
    x = 6,603.48

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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.