Home / 14,185.84-21,269.62-6,790.12

Finding the Fourth Proportional to 14,185.84, 21,269.62 and 6,790.12

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Solution

The fourth proportional to 14,185.84, 21,269.62 and 6,790.12 is: 10,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.84 : 21,269.62 = 6,790.12 : x
  2. Step 2: Convert to fraction form
    14,185.84/21,269.62 = 6,790.12/x
  3. Step 3: Cross multiply
    14,185.84x = 21,269.62 × 6,790.12
  4. Step 4: Simplify right side
    14,185.84x = 144,423,272.15
  5. Step 5: Solve for x
    x = 144,423,272.15/14,185.84
  6. Step 6: Final answer
    x = 10,180.81

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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.