Home / 10,249.19-14,041.44-9,865.25

Finding the Fourth Proportional to 10,249.19, 14,041.44 and 9,865.25

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Solution

The fourth proportional to 10,249.19, 14,041.44 and 9,865.25 is: 13,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.19 : 14,041.44 = 9,865.25 : x
  2. Step 2: Convert to fraction form
    10,249.19/14,041.44 = 9,865.25/x
  3. Step 3: Cross multiply
    10,249.19x = 14,041.44 × 9,865.25
  4. Step 4: Simplify right side
    10,249.19x = 138,522,245.75
  5. Step 5: Solve for x
    x = 138,522,245.75/10,249.19
  6. Step 6: Final answer
    x = 13,515.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.