Home / 13,349.96-20,024.75-3,989.77

Finding the Fourth Proportional to 13,349.96, 20,024.75 and 3,989.77

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Solution

The fourth proportional to 13,349.96, 20,024.75 and 3,989.77 is: 5,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.96 : 20,024.75 = 3,989.77 : x
  2. Step 2: Convert to fraction form
    13,349.96/20,024.75 = 3,989.77/x
  3. Step 3: Cross multiply
    13,349.96x = 20,024.75 × 3,989.77
  4. Step 4: Simplify right side
    13,349.96x = 79,894,026.73
  5. Step 5: Solve for x
    x = 79,894,026.73/13,349.96
  6. Step 6: Final answer
    x = 5,984.59

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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.