Home / 14,129.70-21,194.71-4,269.06

Finding the Fourth Proportional to 14,129.70, 21,194.71 and 4,269.06

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Solution

The fourth proportional to 14,129.70, 21,194.71 and 4,269.06 is: 6,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.70 : 21,194.71 = 4,269.06 : x
  2. Step 2: Convert to fraction form
    14,129.70/21,194.71 = 4,269.06/x
  3. Step 3: Cross multiply
    14,129.70x = 21,194.71 × 4,269.06
  4. Step 4: Simplify right side
    14,129.70x = 90,481,488.67
  5. Step 5: Solve for x
    x = 90,481,488.67/14,129.70
  6. Step 6: Final answer
    x = 6,403.64

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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.