Home / 14,131.48-19,499.76-8,161.96

Finding the Fourth Proportional to 14,131.48, 19,499.76 and 8,161.96

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Solution

The fourth proportional to 14,131.48, 19,499.76 and 8,161.96 is: 11,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.48 : 19,499.76 = 8,161.96 : x
  2. Step 2: Convert to fraction form
    14,131.48/19,499.76 = 8,161.96/x
  3. Step 3: Cross multiply
    14,131.48x = 19,499.76 × 8,161.96
  4. Step 4: Simplify right side
    14,131.48x = 159,156,261.13
  5. Step 5: Solve for x
    x = 159,156,261.13/14,131.48
  6. Step 6: Final answer
    x = 11,262.53

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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.