Home / 12,913.84-19,374.36-6,676.12

Finding the Fourth Proportional to 12,913.84, 19,374.36 and 6,676.12

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Solution

The fourth proportional to 12,913.84, 19,374.36 and 6,676.12 is: 10,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913.84 : 19,374.36 = 6,676.12 : x
  2. Step 2: Convert to fraction form
    12,913.84/19,374.36 = 6,676.12/x
  3. Step 3: Cross multiply
    12,913.84x = 19,374.36 × 6,676.12
  4. Step 4: Simplify right side
    12,913.84x = 129,345,552.28
  5. Step 5: Solve for x
    x = 129,345,552.28/12,913.84
  6. Step 6: Final answer
    x = 10,016.04

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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.