Home / 10,071.72-15,108.78-2,676.36

Finding the Fourth Proportional to 10,071.72, 15,108.78 and 2,676.36

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Solution

The fourth proportional to 10,071.72, 15,108.78 and 2,676.36 is: 4,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.72 : 15,108.78 = 2,676.36 : x
  2. Step 2: Convert to fraction form
    10,071.72/15,108.78 = 2,676.36/x
  3. Step 3: Cross multiply
    10,071.72x = 15,108.78 × 2,676.36
  4. Step 4: Simplify right side
    10,071.72x = 40,436,534.44
  5. Step 5: Solve for x
    x = 40,436,534.44/10,071.72
  6. Step 6: Final answer
    x = 4,014.86

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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.