Home / 9,212.90-13,825.26-9,178.88

Finding the Fourth Proportional to 9,212.90, 13,825.26 and 9,178.88

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Solution

The fourth proportional to 9,212.90, 13,825.26 and 9,178.88 is: 13,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.90 : 13,825.26 = 9,178.88 : x
  2. Step 2: Convert to fraction form
    9,212.90/13,825.26 = 9,178.88/x
  3. Step 3: Cross multiply
    9,212.90x = 13,825.26 × 9,178.88
  4. Step 4: Simplify right side
    9,212.90x = 126,900,333.38
  5. Step 5: Solve for x
    x = 126,900,333.38/9,212.90
  6. Step 6: Final answer
    x = 13,774.21

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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.