Home / 17,913.51-26,819.57-13,691.93

Finding the Fourth Proportional to 17,913.51, 26,819.57 and 13,691.93

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Solution

The fourth proportional to 17,913.51, 26,819.57 and 13,691.93 is: 20,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.51 : 26,819.57 = 13,691.93 : x
  2. Step 2: Convert to fraction form
    17,913.51/26,819.57 = 13,691.93/x
  3. Step 3: Cross multiply
    17,913.51x = 26,819.57 × 13,691.93
  4. Step 4: Simplify right side
    17,913.51x = 367,211,575.20
  5. Step 5: Solve for x
    x = 367,211,575.20/17,913.51
  6. Step 6: Final answer
    x = 20,499.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.