Home / 11,511.10-17,260.98-3,718.90

Finding the Fourth Proportional to 11,511.10, 17,260.98 and 3,718.90

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Solution

The fourth proportional to 11,511.10, 17,260.98 and 3,718.90 is: 5,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.10 : 17,260.98 = 3,718.90 : x
  2. Step 2: Convert to fraction form
    11,511.10/17,260.98 = 3,718.90/x
  3. Step 3: Cross multiply
    11,511.10x = 17,260.98 × 3,718.90
  4. Step 4: Simplify right side
    11,511.10x = 64,191,858.52
  5. Step 5: Solve for x
    x = 64,191,858.52/11,511.10
  6. Step 6: Final answer
    x = 5,576.52

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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.