Home / 10,087.02-13,921.32-6,109.52

Finding the Fourth Proportional to 10,087.02, 13,921.32 and 6,109.52

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Solution

The fourth proportional to 10,087.02, 13,921.32 and 6,109.52 is: 8,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.02 : 13,921.32 = 6,109.52 : x
  2. Step 2: Convert to fraction form
    10,087.02/13,921.32 = 6,109.52/x
  3. Step 3: Cross multiply
    10,087.02x = 13,921.32 × 6,109.52
  4. Step 4: Simplify right side
    10,087.02x = 85,052,582.97
  5. Step 5: Solve for x
    x = 85,052,582.97/10,087.02
  6. Step 6: Final answer
    x = 8,431.88

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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.