Home / 11,038.31-16,560.21-5,119.44

Finding the Fourth Proportional to 11,038.31, 16,560.21 and 5,119.44

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Solution

The fourth proportional to 11,038.31, 16,560.21 and 5,119.44 is: 7,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.31 : 16,560.21 = 5,119.44 : x
  2. Step 2: Convert to fraction form
    11,038.31/16,560.21 = 5,119.44/x
  3. Step 3: Cross multiply
    11,038.31x = 16,560.21 × 5,119.44
  4. Step 4: Simplify right side
    11,038.31x = 84,778,958.58
  5. Step 5: Solve for x
    x = 84,778,958.58/11,038.31
  6. Step 6: Final answer
    x = 7,680.43

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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.