Home / 20,162.99-30,246.35-6,123.06

Finding the Fourth Proportional to 20,162.99, 30,246.35 and 6,123.06

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Solution

The fourth proportional to 20,162.99, 30,246.35 and 6,123.06 is: 9,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.99 : 30,246.35 = 6,123.06 : x
  2. Step 2: Convert to fraction form
    20,162.99/30,246.35 = 6,123.06/x
  3. Step 3: Cross multiply
    20,162.99x = 30,246.35 × 6,123.06
  4. Step 4: Simplify right side
    20,162.99x = 185,200,185.22
  5. Step 5: Solve for x
    x = 185,200,185.22/20,162.99
  6. Step 6: Final answer
    x = 9,185.15

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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.