Home / 9,085.40-13,613.70-7,616.60

Finding the Fourth Proportional to 9,085.40, 13,613.70 and 7,616.60

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Solution

The fourth proportional to 9,085.40, 13,613.70 and 7,616.60 is: 11,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.40 : 13,613.70 = 7,616.60 : x
  2. Step 2: Convert to fraction form
    9,085.40/13,613.70 = 7,616.60/x
  3. Step 3: Cross multiply
    9,085.40x = 13,613.70 × 7,616.60
  4. Step 4: Simplify right side
    9,085.40x = 103,690,107.42
  5. Step 5: Solve for x
    x = 103,690,107.42/9,085.40
  6. Step 6: Final answer
    x = 11,412.83

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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.