Home / 14,436.76-21,662.32-8,107.71

Finding the Fourth Proportional to 14,436.76, 21,662.32 and 8,107.71

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Solution

The fourth proportional to 14,436.76, 21,662.32 and 8,107.71 is: 12,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.76 : 21,662.32 = 8,107.71 : x
  2. Step 2: Convert to fraction form
    14,436.76/21,662.32 = 8,107.71/x
  3. Step 3: Cross multiply
    14,436.76x = 21,662.32 × 8,107.71
  4. Step 4: Simplify right side
    14,436.76x = 175,631,808.49
  5. Step 5: Solve for x
    x = 175,631,808.49/14,436.76
  6. Step 6: Final answer
    x = 12,165.60

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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.