Home / 11,477.79-17,212.64-3,684.51

Finding the Fourth Proportional to 11,477.79, 17,212.64 and 3,684.51

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Solution

The fourth proportional to 11,477.79, 17,212.64 and 3,684.51 is: 5,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.79 : 17,212.64 = 3,684.51 : x
  2. Step 2: Convert to fraction form
    11,477.79/17,212.64 = 3,684.51/x
  3. Step 3: Cross multiply
    11,477.79x = 17,212.64 × 3,684.51
  4. Step 4: Simplify right side
    11,477.79x = 63,420,125.78
  5. Step 5: Solve for x
    x = 63,420,125.78/11,477.79
  6. Step 6: Final answer
    x = 5,525.46

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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.