Home / 15,066.34-20,791.55-8,351.95

Finding the Fourth Proportional to 15,066.34, 20,791.55 and 8,351.95

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Solution

The fourth proportional to 15,066.34, 20,791.55 and 8,351.95 is: 11,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.34 : 20,791.55 = 8,351.95 : x
  2. Step 2: Convert to fraction form
    15,066.34/20,791.55 = 8,351.95/x
  3. Step 3: Cross multiply
    15,066.34x = 20,791.55 × 8,351.95
  4. Step 4: Simplify right side
    15,066.34x = 173,649,975.58
  5. Step 5: Solve for x
    x = 173,649,975.58/15,066.34
  6. Step 6: Final answer
    x = 11,525.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.