Home / 10,211.59-15,319.01-3,550.12

Finding the Fourth Proportional to 10,211.59, 15,319.01 and 3,550.12

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Solution

The fourth proportional to 10,211.59, 15,319.01 and 3,550.12 is: 5,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.59 : 15,319.01 = 3,550.12 : x
  2. Step 2: Convert to fraction form
    10,211.59/15,319.01 = 3,550.12/x
  3. Step 3: Cross multiply
    10,211.59x = 15,319.01 × 3,550.12
  4. Step 4: Simplify right side
    10,211.59x = 54,384,323.78
  5. Step 5: Solve for x
    x = 54,384,323.78/10,211.59
  6. Step 6: Final answer
    x = 5,325.74

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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.