Home / 12,020.22-16,589.55-6,715.32

Finding the Fourth Proportional to 12,020.22, 16,589.55 and 6,715.32

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Solution

The fourth proportional to 12,020.22, 16,589.55 and 6,715.32 is: 9,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.22 : 16,589.55 = 6,715.32 : x
  2. Step 2: Convert to fraction form
    12,020.22/16,589.55 = 6,715.32/x
  3. Step 3: Cross multiply
    12,020.22x = 16,589.55 × 6,715.32
  4. Step 4: Simplify right side
    12,020.22x = 111,404,136.91
  5. Step 5: Solve for x
    x = 111,404,136.91/12,020.22
  6. Step 6: Final answer
    x = 9,268.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.