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Finding the Fourth Proportional to 9,261.10, 13,881.93 and 6,662.62

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Solution

The fourth proportional to 9,261.10, 13,881.93 and 6,662.62 is: 9,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.10 : 13,881.93 = 6,662.62 : x
  2. Step 2: Convert to fraction form
    9,261.10/13,881.93 = 6,662.62/x
  3. Step 3: Cross multiply
    9,261.10x = 13,881.93 × 6,662.62
  4. Step 4: Simplify right side
    9,261.10x = 92,490,024.46
  5. Step 5: Solve for x
    x = 92,490,024.46/9,261.10
  6. Step 6: Final answer
    x = 9,986.94

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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.