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Finding the Fourth Proportional to 9,999.26, 14,918.04 and 9,002.87

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Solution

The fourth proportional to 9,999.26, 14,918.04 and 9,002.87 is: 13,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.26 : 14,918.04 = 9,002.87 : x
  2. Step 2: Convert to fraction form
    9,999.26/14,918.04 = 9,002.87/x
  3. Step 3: Cross multiply
    9,999.26x = 14,918.04 × 9,002.87
  4. Step 4: Simplify right side
    9,999.26x = 134,305,174.77
  5. Step 5: Solve for x
    x = 134,305,174.77/9,999.26
  6. Step 6: Final answer
    x = 13,431.51

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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.