Home / 20,187.47-30,282.26-6,146.42

Finding the Fourth Proportional to 20,187.47, 30,282.26 and 6,146.42

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Solution

The fourth proportional to 20,187.47, 30,282.26 and 6,146.42 is: 9,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.47 : 30,282.26 = 6,146.42 : x
  2. Step 2: Convert to fraction form
    20,187.47/30,282.26 = 6,146.42/x
  3. Step 3: Cross multiply
    20,187.47x = 30,282.26 × 6,146.42
  4. Step 4: Simplify right side
    20,187.47x = 186,127,306.37
  5. Step 5: Solve for x
    x = 186,127,306.37/20,187.47
  6. Step 6: Final answer
    x = 9,219.94

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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.