Home / 20,368.12-30,563.52-11,007.96

Finding the Fourth Proportional to 20,368.12, 30,563.52 and 11,007.96

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Solution

The fourth proportional to 20,368.12, 30,563.52 and 11,007.96 is: 16,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.12 : 30,563.52 = 11,007.96 : x
  2. Step 2: Convert to fraction form
    20,368.12/30,563.52 = 11,007.96/x
  3. Step 3: Cross multiply
    20,368.12x = 30,563.52 × 11,007.96
  4. Step 4: Simplify right side
    20,368.12x = 336,442,005.62
  5. Step 5: Solve for x
    x = 336,442,005.62/20,368.12
  6. Step 6: Final answer
    x = 16,518.07

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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.