Home / 13,976.74-19,287.04-7,603.28

Finding the Fourth Proportional to 13,976.74, 19,287.04 and 7,603.28

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Solution

The fourth proportional to 13,976.74, 19,287.04 and 7,603.28 is: 10,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.74 : 19,287.04 = 7,603.28 : x
  2. Step 2: Convert to fraction form
    13,976.74/19,287.04 = 7,603.28/x
  3. Step 3: Cross multiply
    13,976.74x = 19,287.04 × 7,603.28
  4. Step 4: Simplify right side
    13,976.74x = 146,644,765.49
  5. Step 5: Solve for x
    x = 146,644,765.49/13,976.74
  6. Step 6: Final answer
    x = 10,492.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.