Home / 20,568.12-30,852.30-7,411.24

Finding the Fourth Proportional to 20,568.12, 30,852.30 and 7,411.24

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Solution

The fourth proportional to 20,568.12, 30,852.30 and 7,411.24 is: 11,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.12 : 30,852.30 = 7,411.24 : x
  2. Step 2: Convert to fraction form
    20,568.12/30,852.30 = 7,411.24/x
  3. Step 3: Cross multiply
    20,568.12x = 30,852.30 × 7,411.24
  4. Step 4: Simplify right side
    20,568.12x = 228,653,799.85
  5. Step 5: Solve for x
    x = 228,653,799.85/20,568.12
  6. Step 6: Final answer
    x = 11,116.90

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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.