Home / 20,246.04-30,352.86-11,811.54

Finding the Fourth Proportional to 20,246.04, 30,352.86 and 11,811.54

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Solution

The fourth proportional to 20,246.04, 30,352.86 and 11,811.54 is: 17,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.04 : 30,352.86 = 11,811.54 : x
  2. Step 2: Convert to fraction form
    20,246.04/30,352.86 = 11,811.54/x
  3. Step 3: Cross multiply
    20,246.04x = 30,352.86 × 11,811.54
  4. Step 4: Simplify right side
    20,246.04x = 358,514,020.00
  5. Step 5: Solve for x
    x = 358,514,020.00/20,246.04
  6. Step 6: Final answer
    x = 17,707.86

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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.