Home / 20,159.99-30,236.57-6,116.63

Finding the Fourth Proportional to 20,159.99, 30,236.57 and 6,116.63

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Solution

The fourth proportional to 20,159.99, 30,236.57 and 6,116.63 is: 9,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159.99 : 30,236.57 = 6,116.63 : x
  2. Step 2: Convert to fraction form
    20,159.99/30,236.57 = 6,116.63/x
  3. Step 3: Cross multiply
    20,159.99x = 30,236.57 × 6,116.63
  4. Step 4: Simplify right side
    20,159.99x = 184,945,796.86
  5. Step 5: Solve for x
    x = 184,945,796.86/20,159.99
  6. Step 6: Final answer
    x = 9,173.91

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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.