Home / 18,713.46-28,071.27-7,026.78

Finding the Fourth Proportional to 18,713.46, 28,071.27 and 7,026.78

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Solution

The fourth proportional to 18,713.46, 28,071.27 and 7,026.78 is: 10,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.46 : 28,071.27 = 7,026.78 : x
  2. Step 2: Convert to fraction form
    18,713.46/28,071.27 = 7,026.78/x
  3. Step 3: Cross multiply
    18,713.46x = 28,071.27 × 7,026.78
  4. Step 4: Simplify right side
    18,713.46x = 197,250,638.61
  5. Step 5: Solve for x
    x = 197,250,638.61/18,713.46
  6. Step 6: Final answer
    x = 10,540.58

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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.