Home / 12,468.80-18,703.04-3,584.34

Finding the Fourth Proportional to 12,468.80, 18,703.04 and 3,584.34

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Solution

The fourth proportional to 12,468.80, 18,703.04 and 3,584.34 is: 5,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.80 : 18,703.04 = 3,584.34 : x
  2. Step 2: Convert to fraction form
    12,468.80/18,703.04 = 3,584.34/x
  3. Step 3: Cross multiply
    12,468.80x = 18,703.04 × 3,584.34
  4. Step 4: Simplify right side
    12,468.80x = 67,038,054.39
  5. Step 5: Solve for x
    x = 67,038,054.39/12,468.80
  6. Step 6: Final answer
    x = 5,376.46

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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.