Home / 15,550.79-21,460.56-8,477.33

Finding the Fourth Proportional to 15,550.79, 21,460.56 and 8,477.33

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Solution

The fourth proportional to 15,550.79, 21,460.56 and 8,477.33 is: 11,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.79 : 21,460.56 = 8,477.33 : x
  2. Step 2: Convert to fraction form
    15,550.79/21,460.56 = 8,477.33/x
  3. Step 3: Cross multiply
    15,550.79x = 21,460.56 × 8,477.33
  4. Step 4: Simplify right side
    15,550.79x = 181,928,249.10
  5. Step 5: Solve for x
    x = 181,928,249.10/15,550.79
  6. Step 6: Final answer
    x = 11,698.97

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