Home / 11,119.04-16,680.36-5,272.44

Finding the Fourth Proportional to 11,119.04, 16,680.36 and 5,272.44

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Solution

The fourth proportional to 11,119.04, 16,680.36 and 5,272.44 is: 7,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.04 : 16,680.36 = 5,272.44 : x
  2. Step 2: Convert to fraction form
    11,119.04/16,680.36 = 5,272.44/x
  3. Step 3: Cross multiply
    11,119.04x = 16,680.36 × 5,272.44
  4. Step 4: Simplify right side
    11,119.04x = 87,946,197.28
  5. Step 5: Solve for x
    x = 87,946,197.28/11,119.04
  6. Step 6: Final answer
    x = 7,909.51

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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.