Home / 14,132.48-19,505.60-8,163.80

Finding the Fourth Proportional to 14,132.48, 19,505.60 and 8,163.80

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Solution

The fourth proportional to 14,132.48, 19,505.60 and 8,163.80 is: 11,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.48 : 19,505.60 = 8,163.80 : x
  2. Step 2: Convert to fraction form
    14,132.48/19,505.60 = 8,163.80/x
  3. Step 3: Cross multiply
    14,132.48x = 19,505.60 × 8,163.80
  4. Step 4: Simplify right side
    14,132.48x = 159,239,817.28
  5. Step 5: Solve for x
    x = 159,239,817.28/14,132.48
  6. Step 6: Final answer
    x = 11,267.65

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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.