Home / 19,537.32-26,955.17-11,979.87

Finding the Fourth Proportional to 19,537.32, 26,955.17 and 11,979.87

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Solution

The fourth proportional to 19,537.32, 26,955.17 and 11,979.87 is: 16,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537.32 : 26,955.17 = 11,979.87 : x
  2. Step 2: Convert to fraction form
    19,537.32/26,955.17 = 11,979.87/x
  3. Step 3: Cross multiply
    19,537.32x = 26,955.17 × 11,979.87
  4. Step 4: Simplify right side
    19,537.32x = 322,919,372.53
  5. Step 5: Solve for x
    x = 322,919,372.53/19,537.32
  6. Step 6: Final answer
    x = 16,528.34

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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.