Home / 20,353.02-30,517.76-6,309.32

Finding the Fourth Proportional to 20,353.02, 30,517.76 and 6,309.32

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Solution

The fourth proportional to 20,353.02, 30,517.76 and 6,309.32 is: 9,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353.02 : 30,517.76 = 6,309.32 : x
  2. Step 2: Convert to fraction form
    20,353.02/30,517.76 = 6,309.32/x
  3. Step 3: Cross multiply
    20,353.02x = 30,517.76 × 6,309.32
  4. Step 4: Simplify right side
    20,353.02x = 192,546,313.52
  5. Step 5: Solve for x
    x = 192,546,313.52/20,353.02
  6. Step 6: Final answer
    x = 9,460.33

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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.