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Finding the Fourth Proportional to 9,277.55, 13,918.18 and 8,348.07

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Solution

The fourth proportional to 9,277.55, 13,918.18 and 8,348.07 is: 12,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.55 : 13,918.18 = 8,348.07 : x
  2. Step 2: Convert to fraction form
    9,277.55/13,918.18 = 8,348.07/x
  3. Step 3: Cross multiply
    9,277.55x = 13,918.18 × 8,348.07
  4. Step 4: Simplify right side
    9,277.55x = 116,189,920.04
  5. Step 5: Solve for x
    x = 116,189,920.04/9,277.55
  6. Step 6: Final answer
    x = 12,523.78

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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.