Home / 10,889.80-16,337.01-6,212.05

Finding the Fourth Proportional to 10,889.80, 16,337.01 and 6,212.05

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Solution

The fourth proportional to 10,889.80, 16,337.01 and 6,212.05 is: 9,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.80 : 16,337.01 = 6,212.05 : x
  2. Step 2: Convert to fraction form
    10,889.80/16,337.01 = 6,212.05/x
  3. Step 3: Cross multiply
    10,889.80x = 16,337.01 × 6,212.05
  4. Step 4: Simplify right side
    10,889.80x = 101,486,322.97
  5. Step 5: Solve for x
    x = 101,486,322.97/10,889.80
  6. Step 6: Final answer
    x = 9,319.39

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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.