Home / 20,546.06-30,819.29-7,389.23

Finding the Fourth Proportional to 20,546.06, 30,819.29 and 7,389.23

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Solution

The fourth proportional to 20,546.06, 30,819.29 and 7,389.23 is: 11,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.06 : 30,819.29 = 7,389.23 : x
  2. Step 2: Convert to fraction form
    20,546.06/30,819.29 = 7,389.23/x
  3. Step 3: Cross multiply
    20,546.06x = 30,819.29 × 7,389.23
  4. Step 4: Simplify right side
    20,546.06x = 227,730,631.20
  5. Step 5: Solve for x
    x = 227,730,631.20/20,546.06
  6. Step 6: Final answer
    x = 11,083.91

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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.