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Finding the Fourth Proportional to 9,156.88, 12,632.92 and 5,973.92

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Solution

The fourth proportional to 9,156.88, 12,632.92 and 5,973.92 is: 8,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.88 : 12,632.92 = 5,973.92 : x
  2. Step 2: Convert to fraction form
    9,156.88/12,632.92 = 5,973.92/x
  3. Step 3: Cross multiply
    9,156.88x = 12,632.92 × 5,973.92
  4. Step 4: Simplify right side
    9,156.88x = 75,467,975.35
  5. Step 5: Solve for x
    x = 75,467,975.35/9,156.88
  6. Step 6: Final answer
    x = 8,241.67

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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.