Home / 20,346.86-30,540.02-9,824.30

Finding the Fourth Proportional to 20,346.86, 30,540.02 and 9,824.30

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Solution

The fourth proportional to 20,346.86, 30,540.02 and 9,824.30 is: 14,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.86 : 30,540.02 = 9,824.30 : x
  2. Step 2: Convert to fraction form
    20,346.86/30,540.02 = 9,824.30/x
  3. Step 3: Cross multiply
    20,346.86x = 30,540.02 × 9,824.30
  4. Step 4: Simplify right side
    20,346.86x = 300,034,318.49
  5. Step 5: Solve for x
    x = 300,034,318.49/20,346.86
  6. Step 6: Final answer
    x = 14,745.98

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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.