Home / 11,015.31-16,539.37-4,454.31

Finding the Fourth Proportional to 11,015.31, 16,539.37 and 4,454.31

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Solution

The fourth proportional to 11,015.31, 16,539.37 and 4,454.31 is: 6,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.31 : 16,539.37 = 4,454.31 : x
  2. Step 2: Convert to fraction form
    11,015.31/16,539.37 = 4,454.31/x
  3. Step 3: Cross multiply
    11,015.31x = 16,539.37 × 4,454.31
  4. Step 4: Simplify right side
    11,015.31x = 73,671,481.18
  5. Step 5: Solve for x
    x = 73,671,481.18/11,015.31
  6. Step 6: Final answer
    x = 6,688.10

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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.