Home / 12,162.54-18,236.48-4,758.16

Finding the Fourth Proportional to 12,162.54, 18,236.48 and 4,758.16

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Solution

The fourth proportional to 12,162.54, 18,236.48 and 4,758.16 is: 7,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162.54 : 18,236.48 = 4,758.16 : x
  2. Step 2: Convert to fraction form
    12,162.54/18,236.48 = 4,758.16/x
  3. Step 3: Cross multiply
    12,162.54x = 18,236.48 × 4,758.16
  4. Step 4: Simplify right side
    12,162.54x = 86,772,089.68
  5. Step 5: Solve for x
    x = 86,772,089.68/12,162.54
  6. Step 6: Final answer
    x = 7,134.37

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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.