Home / 12,738.34-19,114.80-4,946.14

Finding the Fourth Proportional to 12,738.34, 19,114.80 and 4,946.14

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Solution

The fourth proportional to 12,738.34, 19,114.80 and 4,946.14 is: 7,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.34 : 19,114.80 = 4,946.14 : x
  2. Step 2: Convert to fraction form
    12,738.34/19,114.80 = 4,946.14/x
  3. Step 3: Cross multiply
    12,738.34x = 19,114.80 × 4,946.14
  4. Step 4: Simplify right side
    12,738.34x = 94,544,476.87
  5. Step 5: Solve for x
    x = 94,544,476.87/12,738.34
  6. Step 6: Final answer
    x = 7,422.04

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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.