Home / 9,085.68-13,618.44-5,181.48

Finding the Fourth Proportional to 9,085.68, 13,618.44 and 5,181.48

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Solution

The fourth proportional to 9,085.68, 13,618.44 and 5,181.48 is: 7,766.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.68 : 13,618.44 = 5,181.48 : x
  2. Step 2: Convert to fraction form
    9,085.68/13,618.44 = 5,181.48/x
  3. Step 3: Cross multiply
    9,085.68x = 13,618.44 × 5,181.48
  4. Step 4: Simplify right side
    9,085.68x = 70,563,674.49
  5. Step 5: Solve for x
    x = 70,563,674.49/9,085.68
  6. Step 6: Final answer
    x = 7,766.47

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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.