Home / 10,855.07-16,272.21-4,186.68

Finding the Fourth Proportional to 10,855.07, 16,272.21 and 4,186.68

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Solution

The fourth proportional to 10,855.07, 16,272.21 and 4,186.68 is: 6,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.07 : 16,272.21 = 4,186.68 : x
  2. Step 2: Convert to fraction form
    10,855.07/16,272.21 = 4,186.68/x
  3. Step 3: Cross multiply
    10,855.07x = 16,272.21 × 4,186.68
  4. Step 4: Simplify right side
    10,855.07x = 68,126,536.16
  5. Step 5: Solve for x
    x = 68,126,536.16/10,855.07
  6. Step 6: Final answer
    x = 6,276.01

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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.