Home / 13,834.88-20,703.60-11,910.32

Finding the Fourth Proportional to 13,834.88, 20,703.60 and 11,910.32

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Solution

The fourth proportional to 13,834.88, 20,703.60 and 11,910.32 is: 17,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.88 : 20,703.60 = 11,910.32 : x
  2. Step 2: Convert to fraction form
    13,834.88/20,703.60 = 11,910.32/x
  3. Step 3: Cross multiply
    13,834.88x = 20,703.60 × 11,910.32
  4. Step 4: Simplify right side
    13,834.88x = 246,586,501.15
  5. Step 5: Solve for x
    x = 246,586,501.15/13,834.88
  6. Step 6: Final answer
    x = 17,823.54

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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.