Home / 19,687.64-27,165.66-11,304.68

Finding the Fourth Proportional to 19,687.64, 27,165.66 and 11,304.68

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Solution

The fourth proportional to 19,687.64, 27,165.66 and 11,304.68 is: 15,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.64 : 27,165.66 = 11,304.68 : x
  2. Step 2: Convert to fraction form
    19,687.64/27,165.66 = 11,304.68/x
  3. Step 3: Cross multiply
    19,687.64x = 27,165.66 × 11,304.68
  4. Step 4: Simplify right side
    19,687.64x = 307,099,093.29
  5. Step 5: Solve for x
    x = 307,099,093.29/19,687.64
  6. Step 6: Final answer
    x = 15,598.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.