Home / 9,643.77-13,317.89-6,667.29

Finding the Fourth Proportional to 9,643.77, 13,317.89 and 6,667.29

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Solution

The fourth proportional to 9,643.77, 13,317.89 and 6,667.29 is: 9,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.77 : 13,317.89 = 6,667.29 : x
  2. Step 2: Convert to fraction form
    9,643.77/13,317.89 = 6,667.29/x
  3. Step 3: Cross multiply
    9,643.77x = 13,317.89 × 6,667.29
  4. Step 4: Simplify right side
    9,643.77x = 88,794,201.48
  5. Step 5: Solve for x
    x = 88,794,201.48/9,643.77
  6. Step 6: Final answer
    x = 9,207.42

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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.