Home / 10,542.72-15,809.44-5,611.19

Finding the Fourth Proportional to 10,542.72, 15,809.44 and 5,611.19

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Solution

The fourth proportional to 10,542.72, 15,809.44 and 5,611.19 is: 8,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.72 : 15,809.44 = 5,611.19 : x
  2. Step 2: Convert to fraction form
    10,542.72/15,809.44 = 5,611.19/x
  3. Step 3: Cross multiply
    10,542.72x = 15,809.44 × 5,611.19
  4. Step 4: Simplify right side
    10,542.72x = 88,709,678.56
  5. Step 5: Solve for x
    x = 88,709,678.56/10,542.72
  6. Step 6: Final answer
    x = 8,414.31

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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.