Home / 15,427.56-21,269.44-11,582.92

Finding the Fourth Proportional to 15,427.56, 21,269.44 and 11,582.92

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Solution

The fourth proportional to 15,427.56, 21,269.44 and 11,582.92 is: 15,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.56 : 21,269.44 = 11,582.92 : x
  2. Step 2: Convert to fraction form
    15,427.56/21,269.44 = 11,582.92/x
  3. Step 3: Cross multiply
    15,427.56x = 21,269.44 × 11,582.92
  4. Step 4: Simplify right side
    15,427.56x = 246,362,221.96
  5. Step 5: Solve for x
    x = 246,362,221.96/15,427.56
  6. Step 6: Final answer
    x = 15,968.97

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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.