Home / 10,809.09-16,214.40-3,788.31

Finding the Fourth Proportional to 10,809.09, 16,214.40 and 3,788.31

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Solution

The fourth proportional to 10,809.09, 16,214.40 and 3,788.31 is: 5,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.09 : 16,214.40 = 3,788.31 : x
  2. Step 2: Convert to fraction form
    10,809.09/16,214.40 = 3,788.31/x
  3. Step 3: Cross multiply
    10,809.09x = 16,214.40 × 3,788.31
  4. Step 4: Simplify right side
    10,809.09x = 61,425,173.66
  5. Step 5: Solve for x
    x = 61,425,173.66/10,809.09
  6. Step 6: Final answer
    x = 5,682.73

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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.