Home / 10,542.96-15,816.67-5,611.88

Finding the Fourth Proportional to 10,542.96, 15,816.67 and 5,611.88

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Solution

The fourth proportional to 10,542.96, 15,816.67 and 5,611.88 is: 8,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.96 : 15,816.67 = 5,611.88 : x
  2. Step 2: Convert to fraction form
    10,542.96/15,816.67 = 5,611.88/x
  3. Step 3: Cross multiply
    10,542.96x = 15,816.67 × 5,611.88
  4. Step 4: Simplify right side
    10,542.96x = 88,761,279.55
  5. Step 5: Solve for x
    x = 88,761,279.55/10,542.96
  6. Step 6: Final answer
    x = 8,419.01

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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.