Home / 19,738.80-29,615.10-12,334.56

Finding the Fourth Proportional to 19,738.80, 29,615.10 and 12,334.56

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Solution

The fourth proportional to 19,738.80, 29,615.10 and 12,334.56 is: 18,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.80 : 29,615.10 = 12,334.56 : x
  2. Step 2: Convert to fraction form
    19,738.80/29,615.10 = 12,334.56/x
  3. Step 3: Cross multiply
    19,738.80x = 29,615.10 × 12,334.56
  4. Step 4: Simplify right side
    19,738.80x = 365,289,227.86
  5. Step 5: Solve for x
    x = 365,289,227.86/19,738.80
  6. Step 6: Final answer
    x = 18,506.15

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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.