Home / 10,811.42-16,217.16-3,020.30

Finding the Fourth Proportional to 10,811.42, 16,217.16 and 3,020.30

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Solution

The fourth proportional to 10,811.42, 16,217.16 and 3,020.30 is: 4,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.42 : 16,217.16 = 3,020.30 : x
  2. Step 2: Convert to fraction form
    10,811.42/16,217.16 = 3,020.30/x
  3. Step 3: Cross multiply
    10,811.42x = 16,217.16 × 3,020.30
  4. Step 4: Simplify right side
    10,811.42x = 48,980,688.35
  5. Step 5: Solve for x
    x = 48,980,688.35/10,811.42
  6. Step 6: Final answer
    x = 4,530.46

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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.