Home / 18,971.78-26,179.92-10,473.69

Finding the Fourth Proportional to 18,971.78, 26,179.92 and 10,473.69

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Solution

The fourth proportional to 18,971.78, 26,179.92 and 10,473.69 is: 14,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971.78 : 26,179.92 = 10,473.69 : x
  2. Step 2: Convert to fraction form
    18,971.78/26,179.92 = 10,473.69/x
  3. Step 3: Cross multiply
    18,971.78x = 26,179.92 × 10,473.69
  4. Step 4: Simplify right side
    18,971.78x = 274,200,442.39
  5. Step 5: Solve for x
    x = 274,200,442.39/18,971.78
  6. Step 6: Final answer
    x = 14,453.07

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1.5x scale

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.