Home / 12,974.48-19,470.00-4,654.32

Finding the Fourth Proportional to 12,974.48, 19,470.00 and 4,654.32

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Solution

The fourth proportional to 12,974.48, 19,470.00 and 4,654.32 is: 6,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.48 : 19,470.00 = 4,654.32 : x
  2. Step 2: Convert to fraction form
    12,974.48/19,470.00 = 4,654.32/x
  3. Step 3: Cross multiply
    12,974.48x = 19,470.00 × 4,654.32
  4. Step 4: Simplify right side
    12,974.48x = 90,619,554.84
  5. Step 5: Solve for x
    x = 90,619,554.84/12,974.48
  6. Step 6: Final answer
    x = 6,984.44

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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.