Home / 21,679.31-32,460.26-11,269.19

Finding the Fourth Proportional to 21,679.31, 32,460.26 and 11,269.19

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Solution

The fourth proportional to 21,679.31, 32,460.26 and 11,269.19 is: 16,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679.31 : 32,460.26 = 11,269.19 : x
  2. Step 2: Convert to fraction form
    21,679.31/32,460.26 = 11,269.19/x
  3. Step 3: Cross multiply
    21,679.31x = 32,460.26 × 11,269.19
  4. Step 4: Simplify right side
    21,679.31x = 365,800,618.74
  5. Step 5: Solve for x
    x = 365,800,618.74/21,679.31
  6. Step 6: Final answer
    x = 16,873.26

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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.