Home / 19,474.07-26,876.81-10,978.03

Finding the Fourth Proportional to 19,474.07, 26,876.81 and 10,978.03

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Solution

The fourth proportional to 19,474.07, 26,876.81 and 10,978.03 is: 15,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.07 : 26,876.81 = 10,978.03 : x
  2. Step 2: Convert to fraction form
    19,474.07/26,876.81 = 10,978.03/x
  3. Step 3: Cross multiply
    19,474.07x = 26,876.81 × 10,978.03
  4. Step 4: Simplify right side
    19,474.07x = 295,054,487.53
  5. Step 5: Solve for x
    x = 295,054,487.53/19,474.07
  6. Step 6: Final answer
    x = 15,151.15

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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.