Home / 19,975.78-29,935.38-11,095.06

Finding the Fourth Proportional to 19,975.78, 29,935.38 and 11,095.06

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Solution

The fourth proportional to 19,975.78, 29,935.38 and 11,095.06 is: 16,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.78 : 29,935.38 = 11,095.06 : x
  2. Step 2: Convert to fraction form
    19,975.78/29,935.38 = 11,095.06/x
  3. Step 3: Cross multiply
    19,975.78x = 29,935.38 × 11,095.06
  4. Step 4: Simplify right side
    19,975.78x = 332,134,837.22
  5. Step 5: Solve for x
    x = 332,134,837.22/19,975.78
  6. Step 6: Final answer
    x = 16,626.88

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1.5x scale

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.