Home / 14,119.32-21,176.04-5,791.20

Finding the Fourth Proportional to 14,119.32, 21,176.04 and 5,791.20

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Solution

The fourth proportional to 14,119.32, 21,176.04 and 5,791.20 is: 8,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.32 : 21,176.04 = 5,791.20 : x
  2. Step 2: Convert to fraction form
    14,119.32/21,176.04 = 5,791.20/x
  3. Step 3: Cross multiply
    14,119.32x = 21,176.04 × 5,791.20
  4. Step 4: Simplify right side
    14,119.32x = 122,634,682.85
  5. Step 5: Solve for x
    x = 122,634,682.85/14,119.32
  6. Step 6: Final answer
    x = 8,685.59

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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.