Home / 20,008.54-30,012.84-5,217.46

Finding the Fourth Proportional to 20,008.54, 30,012.84 and 5,217.46

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Solution

The fourth proportional to 20,008.54, 30,012.84 and 5,217.46 is: 7,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.54 : 30,012.84 = 5,217.46 : x
  2. Step 2: Convert to fraction form
    20,008.54/30,012.84 = 5,217.46/x
  3. Step 3: Cross multiply
    20,008.54x = 30,012.84 × 5,217.46
  4. Step 4: Simplify right side
    20,008.54x = 156,590,792.19
  5. Step 5: Solve for x
    x = 156,590,792.19/20,008.54
  6. Step 6: Final answer
    x = 7,826.20

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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.