Home / 9,755.01-13,458.29-6,399.69

Finding the Fourth Proportional to 9,755.01, 13,458.29 and 6,399.69

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Solution

The fourth proportional to 9,755.01, 13,458.29 and 6,399.69 is: 8,829.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.01 : 13,458.29 = 6,399.69 : x
  2. Step 2: Convert to fraction form
    9,755.01/13,458.29 = 6,399.69/x
  3. Step 3: Cross multiply
    9,755.01x = 13,458.29 × 6,399.69
  4. Step 4: Simplify right side
    9,755.01x = 86,128,883.93
  5. Step 5: Solve for x
    x = 86,128,883.93/9,755.01
  6. Step 6: Final answer
    x = 8,829.19

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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.