Home / 20,562.46-30,825.23-7,405.63

Finding the Fourth Proportional to 20,562.46, 30,825.23 and 7,405.63

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Solution

The fourth proportional to 20,562.46, 30,825.23 and 7,405.63 is: 11,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.46 : 30,825.23 = 7,405.63 : x
  2. Step 2: Convert to fraction form
    20,562.46/30,825.23 = 7,405.63/x
  3. Step 3: Cross multiply
    20,562.46x = 30,825.23 × 7,405.63
  4. Step 4: Simplify right side
    20,562.46x = 228,280,133.95
  5. Step 5: Solve for x
    x = 228,280,133.95/20,562.46
  6. Step 6: Final answer
    x = 11,101.79

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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.