Home / 14,179.74-21,268.75-6,279.95

Finding the Fourth Proportional to 14,179.74, 21,268.75 and 6,279.95

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Solution

The fourth proportional to 14,179.74, 21,268.75 and 6,279.95 is: 9,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.74 : 21,268.75 = 6,279.95 : x
  2. Step 2: Convert to fraction form
    14,179.74/21,268.75 = 6,279.95/x
  3. Step 3: Cross multiply
    14,179.74x = 21,268.75 × 6,279.95
  4. Step 4: Simplify right side
    14,179.74x = 133,566,686.56
  5. Step 5: Solve for x
    x = 133,566,686.56/14,179.74
  6. Step 6: Final answer
    x = 9,419.54

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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.