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Finding the Fourth Proportional to 9,951.14, 13,740.88 and 8,887.03

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Solution

The fourth proportional to 9,951.14, 13,740.88 and 8,887.03 is: 12,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.14 : 13,740.88 = 8,887.03 : x
  2. Step 2: Convert to fraction form
    9,951.14/13,740.88 = 8,887.03/x
  3. Step 3: Cross multiply
    9,951.14x = 13,740.88 × 8,887.03
  4. Step 4: Simplify right side
    9,951.14x = 122,115,612.79
  5. Step 5: Solve for x
    x = 122,115,612.79/9,951.14
  6. Step 6: Final answer
    x = 12,271.52

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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.