Home / 10,107.37-13,847.15-9,728.59

Finding the Fourth Proportional to 10,107.37, 13,847.15 and 9,728.59

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Solution

The fourth proportional to 10,107.37, 13,847.15 and 9,728.59 is: 13,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.37 : 13,847.15 = 9,728.59 : x
  2. Step 2: Convert to fraction form
    10,107.37/13,847.15 = 9,728.59/x
  3. Step 3: Cross multiply
    10,107.37x = 13,847.15 × 9,728.59
  4. Step 4: Simplify right side
    10,107.37x = 134,713,245.02
  5. Step 5: Solve for x
    x = 134,713,245.02/10,107.37
  6. Step 6: Final answer
    x = 13,328.22

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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.