Home / 19,397.28-26,768-11,013.24

Finding the Fourth Proportional to 19,397.28, 26,768 and 11,013.24

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Solution

The fourth proportional to 19,397.28, 26,768 and 11,013.24 is: 15,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.28 : 26,768 = 11,013.24 : x
  2. Step 2: Convert to fraction form
    19,397.28/26,768 = 11,013.24/x
  3. Step 3: Cross multiply
    19,397.28x = 26,768 × 11,013.24
  4. Step 4: Simplify right side
    19,397.28x = 294,802,408.32
  5. Step 5: Solve for x
    x = 294,802,408.32/19,397.28
  6. Step 6: Final answer
    x = 15,198.13

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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.