Home / 14,077.62-21,116.49-4,218.39

Finding the Fourth Proportional to 14,077.62, 21,116.49 and 4,218.39

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Solution

The fourth proportional to 14,077.62, 21,116.49 and 4,218.39 is: 6,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.62 : 21,116.49 = 4,218.39 : x
  2. Step 2: Convert to fraction form
    14,077.62/21,116.49 = 4,218.39/x
  3. Step 3: Cross multiply
    14,077.62x = 21,116.49 × 4,218.39
  4. Step 4: Simplify right side
    14,077.62x = 89,077,590.25
  5. Step 5: Solve for x
    x = 89,077,590.25/14,077.62
  6. Step 6: Final answer
    x = 6,327.60

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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.