Home / 9,212.36-13,784.52-5,517.20

Finding the Fourth Proportional to 9,212.36, 13,784.52 and 5,517.20

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Solution

The fourth proportional to 9,212.36, 13,784.52 and 5,517.20 is: 8,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.36 : 13,784.52 = 5,517.20 : x
  2. Step 2: Convert to fraction form
    9,212.36/13,784.52 = 5,517.20/x
  3. Step 3: Cross multiply
    9,212.36x = 13,784.52 × 5,517.20
  4. Step 4: Simplify right side
    9,212.36x = 76,051,953.74
  5. Step 5: Solve for x
    x = 76,051,953.74/9,212.36
  6. Step 6: Final answer
    x = 8,255.43

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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.