Home / 17,389.11-26,083.62-12,218.07

Finding the Fourth Proportional to 17,389.11, 26,083.62 and 12,218.07

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Solution

The fourth proportional to 17,389.11, 26,083.62 and 12,218.07 is: 18,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.11 : 26,083.62 = 12,218.07 : x
  2. Step 2: Convert to fraction form
    17,389.11/26,083.62 = 12,218.07/x
  3. Step 3: Cross multiply
    17,389.11x = 26,083.62 × 12,218.07
  4. Step 4: Simplify right side
    17,389.11x = 318,691,495.01
  5. Step 5: Solve for x
    x = 318,691,495.01/17,389.11
  6. Step 6: Final answer
    x = 18,327.07

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1.5x scale

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.