Home / 14,081.41-21,127.99-6,179.84

Finding the Fourth Proportional to 14,081.41, 21,127.99 and 6,179.84

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Solution

The fourth proportional to 14,081.41, 21,127.99 and 6,179.84 is: 9,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.41 : 21,127.99 = 6,179.84 : x
  2. Step 2: Convert to fraction form
    14,081.41/21,127.99 = 6,179.84/x
  3. Step 3: Cross multiply
    14,081.41x = 21,127.99 × 6,179.84
  4. Step 4: Simplify right side
    14,081.41x = 130,567,597.72
  5. Step 5: Solve for x
    x = 130,567,597.72/14,081.41
  6. Step 6: Final answer
    x = 9,272.34

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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.