Home / 20,834.08-28,752.32-11,883.32

Finding the Fourth Proportional to 20,834.08, 28,752.32 and 11,883.32

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Solution

The fourth proportional to 20,834.08, 28,752.32 and 11,883.32 is: 16,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834.08 : 28,752.32 = 11,883.32 : x
  2. Step 2: Convert to fraction form
    20,834.08/28,752.32 = 11,883.32/x
  3. Step 3: Cross multiply
    20,834.08x = 28,752.32 × 11,883.32
  4. Step 4: Simplify right side
    20,834.08x = 341,673,019.30
  5. Step 5: Solve for x
    x = 341,673,019.30/20,834.08
  6. Step 6: Final answer
    x = 16,399.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.