Home / 10,166.36-15,249.57-6,659.31

Finding the Fourth Proportional to 10,166.36, 15,249.57 and 6,659.31

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Solution

The fourth proportional to 10,166.36, 15,249.57 and 6,659.31 is: 9,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.36 : 15,249.57 = 6,659.31 : x
  2. Step 2: Convert to fraction form
    10,166.36/15,249.57 = 6,659.31/x
  3. Step 3: Cross multiply
    10,166.36x = 15,249.57 × 6,659.31
  4. Step 4: Simplify right side
    10,166.36x = 101,551,614.00
  5. Step 5: Solve for x
    x = 101,551,614.00/10,166.36
  6. Step 6: Final answer
    x = 9,988.98

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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.