Home / 12,676.92-19,018.56-4,886.28

Finding the Fourth Proportional to 12,676.92, 19,018.56 and 4,886.28

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Solution

The fourth proportional to 12,676.92, 19,018.56 and 4,886.28 is: 7,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.92 : 19,018.56 = 4,886.28 : x
  2. Step 2: Convert to fraction form
    12,676.92/19,018.56 = 4,886.28/x
  3. Step 3: Cross multiply
    12,676.92x = 19,018.56 × 4,886.28
  4. Step 4: Simplify right side
    12,676.92x = 92,930,009.36
  5. Step 5: Solve for x
    x = 92,930,009.36/12,676.92
  6. Step 6: Final answer
    x = 7,330.65

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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.