Home / 16,815.78-23,201.61-10,840.26

Finding the Fourth Proportional to 16,815.78, 23,201.61 and 10,840.26

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Solution

The fourth proportional to 16,815.78, 23,201.61 and 10,840.26 is: 14,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.78 : 23,201.61 = 10,840.26 : x
  2. Step 2: Convert to fraction form
    16,815.78/23,201.61 = 10,840.26/x
  3. Step 3: Cross multiply
    16,815.78x = 23,201.61 × 10,840.26
  4. Step 4: Simplify right side
    16,815.78x = 251,511,484.82
  5. Step 5: Solve for x
    x = 251,511,484.82/16,815.78
  6. Step 6: Final answer
    x = 14,956.87

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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.