Home / 20,546.09-30,819.15-7,038.29

Finding the Fourth Proportional to 20,546.09, 30,819.15 and 7,038.29

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Solution

The fourth proportional to 20,546.09, 30,819.15 and 7,038.29 is: 10,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.09 : 30,819.15 = 7,038.29 : x
  2. Step 2: Convert to fraction form
    20,546.09/30,819.15 = 7,038.29/x
  3. Step 3: Cross multiply
    20,546.09x = 30,819.15 × 7,038.29
  4. Step 4: Simplify right side
    20,546.09x = 216,914,192.30
  5. Step 5: Solve for x
    x = 216,914,192.30/20,546.09
  6. Step 6: Final answer
    x = 10,557.44

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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.