Home / 15,773.98-21,769.62-11,788.18

Finding the Fourth Proportional to 15,773.98, 21,769.62 and 11,788.18

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Solution

The fourth proportional to 15,773.98, 21,769.62 and 11,788.18 is: 16,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773.98 : 21,769.62 = 11,788.18 : x
  2. Step 2: Convert to fraction form
    15,773.98/21,769.62 = 11,788.18/x
  3. Step 3: Cross multiply
    15,773.98x = 21,769.62 × 11,788.18
  4. Step 4: Simplify right side
    15,773.98x = 256,624,199.09
  5. Step 5: Solve for x
    x = 256,624,199.09/15,773.98
  6. Step 6: Final answer
    x = 16,268.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.