Home / 12,708.32-19,159.97-11,850.81

Finding the Fourth Proportional to 12,708.32, 19,159.97 and 11,850.81

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Solution

The fourth proportional to 12,708.32, 19,159.97 and 11,850.81 is: 17,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.32 : 19,159.97 = 11,850.81 : x
  2. Step 2: Convert to fraction form
    12,708.32/19,159.97 = 11,850.81/x
  3. Step 3: Cross multiply
    12,708.32x = 19,159.97 × 11,850.81
  4. Step 4: Simplify right side
    12,708.32x = 227,061,066.30
  5. Step 5: Solve for x
    x = 227,061,066.30/12,708.32
  6. Step 6: Final answer
    x = 17,867.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.