Home / 14,188.93-21,286.73-4,328.21

Finding the Fourth Proportional to 14,188.93, 21,286.73 and 4,328.21

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Solution

The fourth proportional to 14,188.93, 21,286.73 and 4,328.21 is: 6,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.93 : 21,286.73 = 4,328.21 : x
  2. Step 2: Convert to fraction form
    14,188.93/21,286.73 = 4,328.21/x
  3. Step 3: Cross multiply
    14,188.93x = 21,286.73 × 4,328.21
  4. Step 4: Simplify right side
    14,188.93x = 92,133,425.84
  5. Step 5: Solve for x
    x = 92,133,425.84/14,188.93
  6. Step 6: Final answer
    x = 6,493.33

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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.