Home / 14,446.49-21,639.88-8,505.07

Finding the Fourth Proportional to 14,446.49, 21,639.88 and 8,505.07

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Solution

The fourth proportional to 14,446.49, 21,639.88 and 8,505.07 is: 12,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.49 : 21,639.88 = 8,505.07 : x
  2. Step 2: Convert to fraction form
    14,446.49/21,639.88 = 8,505.07/x
  3. Step 3: Cross multiply
    14,446.49x = 21,639.88 × 8,505.07
  4. Step 4: Simplify right side
    14,446.49x = 184,048,694.19
  5. Step 5: Solve for x
    x = 184,048,694.19/14,446.49
  6. Step 6: Final answer
    x = 12,740.03

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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.