Home / 18,956.16-26,131.81-13,273

Finding the Fourth Proportional to 18,956.16, 26,131.81 and 13,273

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Solution

The fourth proportional to 18,956.16, 26,131.81 and 13,273 is: 18,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.16 : 26,131.81 = 13,273 : x
  2. Step 2: Convert to fraction form
    18,956.16/26,131.81 = 13,273/x
  3. Step 3: Cross multiply
    18,956.16x = 26,131.81 × 13,273
  4. Step 4: Simplify right side
    18,956.16x = 346,847,514.13
  5. Step 5: Solve for x
    x = 346,847,514.13/18,956.16
  6. Step 6: Final answer
    x = 18,297.35

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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.