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Finding the Fourth Proportional to 8,755.04, 13,055.46 and 8,676.07

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Solution

The fourth proportional to 8,755.04, 13,055.46 and 8,676.07 is: 12,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.04 : 13,055.46 = 8,676.07 : x
  2. Step 2: Convert to fraction form
    8,755.04/13,055.46 = 8,676.07/x
  3. Step 3: Cross multiply
    8,755.04x = 13,055.46 × 8,676.07
  4. Step 4: Simplify right side
    8,755.04x = 113,270,019.67
  5. Step 5: Solve for x
    x = 113,270,019.67/8,755.04
  6. Step 6: Final answer
    x = 12,937.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.