Home / 14,289.60-19,838.44-13,861.92

Finding the Fourth Proportional to 14,289.60, 19,838.44 and 13,861.92

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Solution

The fourth proportional to 14,289.60, 19,838.44 and 13,861.92 is: 19,244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.60 : 19,838.44 = 13,861.92 : x
  2. Step 2: Convert to fraction form
    14,289.60/19,838.44 = 13,861.92/x
  3. Step 3: Cross multiply
    14,289.60x = 19,838.44 × 13,861.92
  4. Step 4: Simplify right side
    14,289.60x = 274,998,917.80
  5. Step 5: Solve for x
    x = 274,998,917.80/14,289.60
  6. Step 6: Final answer
    x = 19,244.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.