Home / 14,286.45-21,435.31-4,426.50

Finding the Fourth Proportional to 14,286.45, 21,435.31 and 4,426.50

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Solution

The fourth proportional to 14,286.45, 21,435.31 and 4,426.50 is: 6,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.45 : 21,435.31 = 4,426.50 : x
  2. Step 2: Convert to fraction form
    14,286.45/21,435.31 = 4,426.50/x
  3. Step 3: Cross multiply
    14,286.45x = 21,435.31 × 4,426.50
  4. Step 4: Simplify right side
    14,286.45x = 94,883,292.54
  5. Step 5: Solve for x
    x = 94,883,292.54/14,286.45
  6. Step 6: Final answer
    x = 6,641.49

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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.