Home / 12,482.08-17,224.80-6,816.64

Finding the Fourth Proportional to 12,482.08, 17,224.80 and 6,816.64

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Solution

The fourth proportional to 12,482.08, 17,224.80 and 6,816.64 is: 9,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.08 : 17,224.80 = 6,816.64 : x
  2. Step 2: Convert to fraction form
    12,482.08/17,224.80 = 6,816.64/x
  3. Step 3: Cross multiply
    12,482.08x = 17,224.80 × 6,816.64
  4. Step 4: Simplify right side
    12,482.08x = 117,415,260.67
  5. Step 5: Solve for x
    x = 117,415,260.67/12,482.08
  6. Step 6: Final answer
    x = 9,406.71

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Similar ratio
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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.