Home / 13,026.07-19,540.77-4,138.23

Finding the Fourth Proportional to 13,026.07, 19,540.77 and 4,138.23

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Solution

The fourth proportional to 13,026.07, 19,540.77 and 4,138.23 is: 6,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.07 : 19,540.77 = 4,138.23 : x
  2. Step 2: Convert to fraction form
    13,026.07/19,540.77 = 4,138.23/x
  3. Step 3: Cross multiply
    13,026.07x = 19,540.77 × 4,138.23
  4. Step 4: Simplify right side
    13,026.07x = 80,864,258.40
  5. Step 5: Solve for x
    x = 80,864,258.40/13,026.07
  6. Step 6: Final answer
    x = 6,207.88

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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.