Home / 12,843.04-19,266.90-4,080.40

Finding the Fourth Proportional to 12,843.04, 19,266.90 and 4,080.40

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Solution

The fourth proportional to 12,843.04, 19,266.90 and 4,080.40 is: 6,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.04 : 19,266.90 = 4,080.40 : x
  2. Step 2: Convert to fraction form
    12,843.04/19,266.90 = 4,080.40/x
  3. Step 3: Cross multiply
    12,843.04x = 19,266.90 × 4,080.40
  4. Step 4: Simplify right side
    12,843.04x = 78,616,658.76
  5. Step 5: Solve for x
    x = 78,616,658.76/12,843.04
  6. Step 6: Final answer
    x = 6,121.34

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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.