Home / 10,087.09-15,114.82-6,381.49

Finding the Fourth Proportional to 10,087.09, 15,114.82 and 6,381.49

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Solution

The fourth proportional to 10,087.09, 15,114.82 and 6,381.49 is: 9,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.09 : 15,114.82 = 6,381.49 : x
  2. Step 2: Convert to fraction form
    10,087.09/15,114.82 = 6,381.49/x
  3. Step 3: Cross multiply
    10,087.09x = 15,114.82 × 6,381.49
  4. Step 4: Simplify right side
    10,087.09x = 96,455,147.10
  5. Step 5: Solve for x
    x = 96,455,147.10/10,087.09
  6. Step 6: Final answer
    x = 9,562.23

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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.