Home / 18,747.99-25,893.50-12,769.29

Finding the Fourth Proportional to 18,747.99, 25,893.50 and 12,769.29

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Solution

The fourth proportional to 18,747.99, 25,893.50 and 12,769.29 is: 17,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.99 : 25,893.50 = 12,769.29 : x
  2. Step 2: Convert to fraction form
    18,747.99/25,893.50 = 12,769.29/x
  3. Step 3: Cross multiply
    18,747.99x = 25,893.50 × 12,769.29
  4. Step 4: Simplify right side
    18,747.99x = 330,641,546.77
  5. Step 5: Solve for x
    x = 330,641,546.77/18,747.99
  6. Step 6: Final answer
    x = 17,636.11

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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.