Home / 19,018.60-26,243.34-10,519.54

Finding the Fourth Proportional to 19,018.60, 26,243.34 and 10,519.54

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Solution

The fourth proportional to 19,018.60, 26,243.34 and 10,519.54 is: 14,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.60 : 26,243.34 = 10,519.54 : x
  2. Step 2: Convert to fraction form
    19,018.60/26,243.34 = 10,519.54/x
  3. Step 3: Cross multiply
    19,018.60x = 26,243.34 × 10,519.54
  4. Step 4: Simplify right side
    19,018.60x = 276,067,864.86
  5. Step 5: Solve for x
    x = 276,067,864.86/19,018.60
  6. Step 6: Final answer
    x = 14,515.68

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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.