Home / 13,849.99-20,782.32-8,010.70

Finding the Fourth Proportional to 13,849.99, 20,782.32 and 8,010.70

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Solution

The fourth proportional to 13,849.99, 20,782.32 and 8,010.70 is: 12,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.99 : 20,782.32 = 8,010.70 : x
  2. Step 2: Convert to fraction form
    13,849.99/20,782.32 = 8,010.70/x
  3. Step 3: Cross multiply
    13,849.99x = 20,782.32 × 8,010.70
  4. Step 4: Simplify right side
    13,849.99x = 166,480,893.89
  5. Step 5: Solve for x
    x = 166,480,893.89/13,849.99
  6. Step 6: Final answer
    x = 12,020.29

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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.