Home / 14,104.80-21,166.20-6,717.60

Finding the Fourth Proportional to 14,104.80, 21,166.20 and 6,717.60

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Solution

The fourth proportional to 14,104.80, 21,166.20 and 6,717.60 is: 10,080.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.80 : 21,166.20 = 6,717.60 : x
  2. Step 2: Convert to fraction form
    14,104.80/21,166.20 = 6,717.60/x
  3. Step 3: Cross multiply
    14,104.80x = 21,166.20 × 6,717.60
  4. Step 4: Simplify right side
    14,104.80x = 142,186,065.12
  5. Step 5: Solve for x
    x = 142,186,065.12/14,104.80
  6. Step 6: Final answer
    x = 10,080.69

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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.