Home / 15,511.03-23,235.30-7,179.55

Finding the Fourth Proportional to 15,511.03, 23,235.30 and 7,179.55

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Solution

The fourth proportional to 15,511.03, 23,235.30 and 7,179.55 is: 10,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.03 : 23,235.30 = 7,179.55 : x
  2. Step 2: Convert to fraction form
    15,511.03/23,235.30 = 7,179.55/x
  3. Step 3: Cross multiply
    15,511.03x = 23,235.30 × 7,179.55
  4. Step 4: Simplify right side
    15,511.03x = 166,818,998.12
  5. Step 5: Solve for x
    x = 166,818,998.12/15,511.03
  6. Step 6: Final answer
    x = 10,754.86

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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.