Home / 11,947.92-16,464.84-8,967.12

Finding the Fourth Proportional to 11,947.92, 16,464.84 and 8,967.12

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Solution

The fourth proportional to 11,947.92, 16,464.84 and 8,967.12 is: 12,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.92 : 16,464.84 = 8,967.12 : x
  2. Step 2: Convert to fraction form
    11,947.92/16,464.84 = 8,967.12/x
  3. Step 3: Cross multiply
    11,947.92x = 16,464.84 × 8,967.12
  4. Step 4: Simplify right side
    11,947.92x = 147,642,196.06
  5. Step 5: Solve for x
    x = 147,642,196.06/11,947.92
  6. Step 6: Final answer
    x = 12,357.15

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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.