Home / 14,128.10-21,163.80-8,846.90

Finding the Fourth Proportional to 14,128.10, 21,163.80 and 8,846.90

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Solution

The fourth proportional to 14,128.10, 21,163.80 and 8,846.90 is: 13,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.10 : 21,163.80 = 8,846.90 : x
  2. Step 2: Convert to fraction form
    14,128.10/21,163.80 = 8,846.90/x
  3. Step 3: Cross multiply
    14,128.10x = 21,163.80 × 8,846.90
  4. Step 4: Simplify right side
    14,128.10x = 187,234,022.22
  5. Step 5: Solve for x
    x = 187,234,022.22/14,128.10
  6. Step 6: Final answer
    x = 13,252.60

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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.