Home / 11,137.41-15,381.45-7,568.28

Finding the Fourth Proportional to 11,137.41, 15,381.45 and 7,568.28

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Solution

The fourth proportional to 11,137.41, 15,381.45 and 7,568.28 is: 10,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.41 : 15,381.45 = 7,568.28 : x
  2. Step 2: Convert to fraction form
    11,137.41/15,381.45 = 7,568.28/x
  3. Step 3: Cross multiply
    11,137.41x = 15,381.45 × 7,568.28
  4. Step 4: Simplify right side
    11,137.41x = 116,411,120.41
  5. Step 5: Solve for x
    x = 116,411,120.41/11,137.41
  6. Step 6: Final answer
    x = 10,452.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.