Home / 8,976.96-13,447.08-7,317

Finding the Fourth Proportional to 8,976.96, 13,447.08 and 7,317

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Solution

The fourth proportional to 8,976.96, 13,447.08 and 7,317 is: 10,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.96 : 13,447.08 = 7,317 : x
  2. Step 2: Convert to fraction form
    8,976.96/13,447.08 = 7,317/x
  3. Step 3: Cross multiply
    8,976.96x = 13,447.08 × 7,317
  4. Step 4: Simplify right side
    8,976.96x = 98,392,284.36
  5. Step 5: Solve for x
    x = 98,392,284.36/8,976.96
  6. Step 6: Final answer
    x = 10,960.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.