Home / 12,743.04-19,103.46-4,946.28

Finding the Fourth Proportional to 12,743.04, 19,103.46 and 4,946.28

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Solution

The fourth proportional to 12,743.04, 19,103.46 and 4,946.28 is: 7,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.04 : 19,103.46 = 4,946.28 : x
  2. Step 2: Convert to fraction form
    12,743.04/19,103.46 = 4,946.28/x
  3. Step 3: Cross multiply
    12,743.04x = 19,103.46 × 4,946.28
  4. Step 4: Simplify right side
    12,743.04x = 94,491,062.13
  5. Step 5: Solve for x
    x = 94,491,062.13/12,743.04
  6. Step 6: Final answer
    x = 7,415.11

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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.