Home / 11,819.16-17,728.74-3,054.12

Finding the Fourth Proportional to 11,819.16, 17,728.74 and 3,054.12

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Solution

The fourth proportional to 11,819.16, 17,728.74 and 3,054.12 is: 4,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.16 : 17,728.74 = 3,054.12 : x
  2. Step 2: Convert to fraction form
    11,819.16/17,728.74 = 3,054.12/x
  3. Step 3: Cross multiply
    11,819.16x = 17,728.74 × 3,054.12
  4. Step 4: Simplify right side
    11,819.16x = 54,145,699.41
  5. Step 5: Solve for x
    x = 54,145,699.41/11,819.16
  6. Step 6: Final answer
    x = 4,581.18

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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.