Home / 9,947.22-13,724.68-6,406.17

Finding the Fourth Proportional to 9,947.22, 13,724.68 and 6,406.17

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Solution

The fourth proportional to 9,947.22, 13,724.68 and 6,406.17 is: 8,838.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.22 : 13,724.68 = 6,406.17 : x
  2. Step 2: Convert to fraction form
    9,947.22/13,724.68 = 6,406.17/x
  3. Step 3: Cross multiply
    9,947.22x = 13,724.68 × 6,406.17
  4. Step 4: Simplify right side
    9,947.22x = 87,922,673.02
  5. Step 5: Solve for x
    x = 87,922,673.02/9,947.22
  6. Step 6: Final answer
    x = 8,838.92

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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.