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Finding the Fourth Proportional to 9,334.37, 12,893.70 and 6,972.41

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Solution

The fourth proportional to 9,334.37, 12,893.70 and 6,972.41 is: 9,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.37 : 12,893.70 = 6,972.41 : x
  2. Step 2: Convert to fraction form
    9,334.37/12,893.70 = 6,972.41/x
  3. Step 3: Cross multiply
    9,334.37x = 12,893.70 × 6,972.41
  4. Step 4: Simplify right side
    9,334.37x = 89,900,162.82
  5. Step 5: Solve for x
    x = 89,900,162.82/9,334.37
  6. Step 6: Final answer
    x = 9,631.09

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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.