Home / 14,493.76-19,996.85-8,119.49

Finding the Fourth Proportional to 14,493.76, 19,996.85 and 8,119.49

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Solution

The fourth proportional to 14,493.76, 19,996.85 and 8,119.49 is: 11,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.76 : 19,996.85 = 8,119.49 : x
  2. Step 2: Convert to fraction form
    14,493.76/19,996.85 = 8,119.49/x
  3. Step 3: Cross multiply
    14,493.76x = 19,996.85 × 8,119.49
  4. Step 4: Simplify right side
    14,493.76x = 162,364,233.57
  5. Step 5: Solve for x
    x = 162,364,233.57/14,493.76
  6. Step 6: Final answer
    x = 11,202.35

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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.