Home / 10,186.94-15,284.77-4,265.21

Finding the Fourth Proportional to 10,186.94, 15,284.77 and 4,265.21

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Solution

The fourth proportional to 10,186.94, 15,284.77 and 4,265.21 is: 6,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.94 : 15,284.77 = 4,265.21 : x
  2. Step 2: Convert to fraction form
    10,186.94/15,284.77 = 4,265.21/x
  3. Step 3: Cross multiply
    10,186.94x = 15,284.77 × 4,265.21
  4. Step 4: Simplify right side
    10,186.94x = 65,192,753.85
  5. Step 5: Solve for x
    x = 65,192,753.85/10,186.94
  6. Step 6: Final answer
    x = 6,399.64

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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.