Home / 12,448.74-18,675.84-3,684.34

Finding the Fourth Proportional to 12,448.74, 18,675.84 and 3,684.34

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Solution

The fourth proportional to 12,448.74, 18,675.84 and 3,684.34 is: 5,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.74 : 18,675.84 = 3,684.34 : x
  2. Step 2: Convert to fraction form
    12,448.74/18,675.84 = 3,684.34/x
  3. Step 3: Cross multiply
    12,448.74x = 18,675.84 × 3,684.34
  4. Step 4: Simplify right side
    12,448.74x = 68,808,066.09
  5. Step 5: Solve for x
    x = 68,808,066.09/12,448.74
  6. Step 6: Final answer
    x = 5,527.31

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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.