Home / 8,768.86-13,153.14-2,195.04

Finding the Fourth Proportional to 8,768.86, 13,153.14 and 2,195.04

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Solution

The fourth proportional to 8,768.86, 13,153.14 and 2,195.04 is: 3,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.86 : 13,153.14 = 2,195.04 : x
  2. Step 2: Convert to fraction form
    8,768.86/13,153.14 = 2,195.04/x
  3. Step 3: Cross multiply
    8,768.86x = 13,153.14 × 2,195.04
  4. Step 4: Simplify right side
    8,768.86x = 28,871,668.43
  5. Step 5: Solve for x
    x = 28,871,668.43/8,768.86
  6. Step 6: Final answer
    x = 3,292.52

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Half scale
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Double scale
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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.