Home / 19,894.48-29,842.20-11,107.60

Finding the Fourth Proportional to 19,894.48, 29,842.20 and 11,107.60

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Solution

The fourth proportional to 19,894.48, 29,842.20 and 11,107.60 is: 16,661.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.48 : 29,842.20 = 11,107.60 : x
  2. Step 2: Convert to fraction form
    19,894.48/29,842.20 = 11,107.60/x
  3. Step 3: Cross multiply
    19,894.48x = 29,842.20 × 11,107.60
  4. Step 4: Simplify right side
    19,894.48x = 331,475,220.72
  5. Step 5: Solve for x
    x = 331,475,220.72/19,894.48
  6. Step 6: Final answer
    x = 16,661.67

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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.