Home / 17,684.29-26,540.07-12,137.50

Finding the Fourth Proportional to 17,684.29, 26,540.07 and 12,137.50

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Solution

The fourth proportional to 17,684.29, 26,540.07 and 12,137.50 is: 18,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,684.29 : 26,540.07 = 12,137.50 : x
  2. Step 2: Convert to fraction form
    17,684.29/26,540.07 = 12,137.50/x
  3. Step 3: Cross multiply
    17,684.29x = 26,540.07 × 12,137.50
  4. Step 4: Simplify right side
    17,684.29x = 322,130,099.63
  5. Step 5: Solve for x
    x = 322,130,099.63/17,684.29
  6. Step 6: Final answer
    x = 18,215.61

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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.