Home / 18,940.53-26,138.12-10,442.96

Finding the Fourth Proportional to 18,940.53, 26,138.12 and 10,442.96

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Solution

The fourth proportional to 18,940.53, 26,138.12 and 10,442.96 is: 14,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.53 : 26,138.12 = 10,442.96 : x
  2. Step 2: Convert to fraction form
    18,940.53/26,138.12 = 10,442.96/x
  3. Step 3: Cross multiply
    18,940.53x = 26,138.12 × 10,442.96
  4. Step 4: Simplify right side
    18,940.53x = 272,959,286.12
  5. Step 5: Solve for x
    x = 272,959,286.12/18,940.53
  6. Step 6: Final answer
    x = 14,411.38

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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.