Home / 18,825.84-25,979.58-10,442.34

Finding the Fourth Proportional to 18,825.84, 25,979.58 and 10,442.34

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Solution

The fourth proportional to 18,825.84, 25,979.58 and 10,442.34 is: 14,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.84 : 25,979.58 = 10,442.34 : x
  2. Step 2: Convert to fraction form
    18,825.84/25,979.58 = 10,442.34/x
  3. Step 3: Cross multiply
    18,825.84x = 25,979.58 × 10,442.34
  4. Step 4: Simplify right side
    18,825.84x = 271,287,607.42
  5. Step 5: Solve for x
    x = 271,287,607.42/18,825.84
  6. Step 6: Final answer
    x = 14,410.39

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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.