Home / 12,676.16-19,007.52-5,282.08

Finding the Fourth Proportional to 12,676.16, 19,007.52 and 5,282.08

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Solution

The fourth proportional to 12,676.16, 19,007.52 and 5,282.08 is: 7,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.16 : 19,007.52 = 5,282.08 : x
  2. Step 2: Convert to fraction form
    12,676.16/19,007.52 = 5,282.08/x
  3. Step 3: Cross multiply
    12,676.16x = 19,007.52 × 5,282.08
  4. Step 4: Simplify right side
    12,676.16x = 100,399,241.24
  5. Step 5: Solve for x
    x = 100,399,241.24/12,676.16
  6. Step 6: Final answer
    x = 7,920.32

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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.