Home / 19,515.94-26,935.64-11,132.44

Finding the Fourth Proportional to 19,515.94, 26,935.64 and 11,132.44

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Solution

The fourth proportional to 19,515.94, 26,935.64 and 11,132.44 is: 15,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.94 : 26,935.64 = 11,132.44 : x
  2. Step 2: Convert to fraction form
    19,515.94/26,935.64 = 11,132.44/x
  3. Step 3: Cross multiply
    19,515.94x = 26,935.64 × 11,132.44
  4. Step 4: Simplify right side
    19,515.94x = 299,859,314.91
  5. Step 5: Solve for x
    x = 299,859,314.91/19,515.94
  6. Step 6: Final answer
    x = 15,364.84

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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.