Home / 12,318.08-16,995.82-7,282.04

Finding the Fourth Proportional to 12,318.08, 16,995.82 and 7,282.04

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Solution

The fourth proportional to 12,318.08, 16,995.82 and 7,282.04 is: 10,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318.08 : 16,995.82 = 7,282.04 : x
  2. Step 2: Convert to fraction form
    12,318.08/16,995.82 = 7,282.04/x
  3. Step 3: Cross multiply
    12,318.08x = 16,995.82 × 7,282.04
  4. Step 4: Simplify right side
    12,318.08x = 123,764,241.07
  5. Step 5: Solve for x
    x = 123,764,241.07/12,318.08
  6. Step 6: Final answer
    x = 10,047.36

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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.