Home / 10,944.48-16,397.88-8,619.48

Finding the Fourth Proportional to 10,944.48, 16,397.88 and 8,619.48

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Solution

The fourth proportional to 10,944.48, 16,397.88 and 8,619.48 is: 12,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.48 : 16,397.88 = 8,619.48 : x
  2. Step 2: Convert to fraction form
    10,944.48/16,397.88 = 8,619.48/x
  3. Step 3: Cross multiply
    10,944.48x = 16,397.88 × 8,619.48
  4. Step 4: Simplify right side
    10,944.48x = 141,341,198.70
  5. Step 5: Solve for x
    x = 141,341,198.70/10,944.48
  6. Step 6: Final answer
    x = 12,914.38

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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.