Home / 11,074.56-16,607.04-4,147.20

Finding the Fourth Proportional to 11,074.56, 16,607.04 and 4,147.20

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Solution

The fourth proportional to 11,074.56, 16,607.04 and 4,147.20 is: 6,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.56 : 16,607.04 = 4,147.20 : x
  2. Step 2: Convert to fraction form
    11,074.56/16,607.04 = 4,147.20/x
  3. Step 3: Cross multiply
    11,074.56x = 16,607.04 × 4,147.20
  4. Step 4: Simplify right side
    11,074.56x = 68,872,716.29
  5. Step 5: Solve for x
    x = 68,872,716.29/11,074.56
  6. Step 6: Final answer
    x = 6,219.00

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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.