Home / 14,131.10-19,501.80-8,163.02

Finding the Fourth Proportional to 14,131.10, 19,501.80 and 8,163.02

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Solution

The fourth proportional to 14,131.10, 19,501.80 and 8,163.02 is: 11,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.10 : 19,501.80 = 8,163.02 : x
  2. Step 2: Convert to fraction form
    14,131.10/19,501.80 = 8,163.02/x
  3. Step 3: Cross multiply
    14,131.10x = 19,501.80 × 8,163.02
  4. Step 4: Simplify right side
    14,131.10x = 159,193,583.44
  5. Step 5: Solve for x
    x = 159,193,583.44/14,131.10
  6. Step 6: Final answer
    x = 11,265.48

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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.