Home / 20,186.01-30,285.90-6,146.28

Finding the Fourth Proportional to 20,186.01, 30,285.90 and 6,146.28

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Solution

The fourth proportional to 20,186.01, 30,285.90 and 6,146.28 is: 9,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.01 : 30,285.90 = 6,146.28 : x
  2. Step 2: Convert to fraction form
    20,186.01/30,285.90 = 6,146.28/x
  3. Step 3: Cross multiply
    20,186.01x = 30,285.90 × 6,146.28
  4. Step 4: Simplify right side
    20,186.01x = 186,145,621.45
  5. Step 5: Solve for x
    x = 186,145,621.45/20,186.01
  6. Step 6: Final answer
    x = 9,221.52

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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.