Home / 14,108.64-21,059.94-13,080.75

Finding the Fourth Proportional to 14,108.64, 21,059.94 and 13,080.75

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Solution

The fourth proportional to 14,108.64, 21,059.94 and 13,080.75 is: 19,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.64 : 21,059.94 = 13,080.75 : x
  2. Step 2: Convert to fraction form
    14,108.64/21,059.94 = 13,080.75/x
  3. Step 3: Cross multiply
    14,108.64x = 21,059.94 × 13,080.75
  4. Step 4: Simplify right side
    14,108.64x = 275,479,810.16
  5. Step 5: Solve for x
    x = 275,479,810.16/14,108.64
  6. Step 6: Final answer
    x = 19,525.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.