Home / 14,183.77-21,269.36-5,412.55

Finding the Fourth Proportional to 14,183.77, 21,269.36 and 5,412.55

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Solution

The fourth proportional to 14,183.77, 21,269.36 and 5,412.55 is: 8,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.77 : 21,269.36 = 5,412.55 : x
  2. Step 2: Convert to fraction form
    14,183.77/21,269.36 = 5,412.55/x
  3. Step 3: Cross multiply
    14,183.77x = 21,269.36 × 5,412.55
  4. Step 4: Simplify right side
    14,183.77x = 115,121,368.12
  5. Step 5: Solve for x
    x = 115,121,368.12/14,183.77
  6. Step 6: Final answer
    x = 8,116.42

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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.