Home / 10,087.03-13,921.32-6,109.51

Finding the Fourth Proportional to 10,087.03, 13,921.32 and 6,109.51

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Solution

The fourth proportional to 10,087.03, 13,921.32 and 6,109.51 is: 8,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.03 : 13,921.32 = 6,109.51 : x
  2. Step 2: Convert to fraction form
    10,087.03/13,921.32 = 6,109.51/x
  3. Step 3: Cross multiply
    10,087.03x = 13,921.32 × 6,109.51
  4. Step 4: Simplify right side
    10,087.03x = 85,052,443.75
  5. Step 5: Solve for x
    x = 85,052,443.75/10,087.03
  6. Step 6: Final answer
    x = 8,431.86

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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.