Home / 18,895.86-26,078.91-10,940.58

Finding the Fourth Proportional to 18,895.86, 26,078.91 and 10,940.58

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Solution

The fourth proportional to 18,895.86, 26,078.91 and 10,940.58 is: 15,099.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.86 : 26,078.91 = 10,940.58 : x
  2. Step 2: Convert to fraction form
    18,895.86/26,078.91 = 10,940.58/x
  3. Step 3: Cross multiply
    18,895.86x = 26,078.91 × 10,940.58
  4. Step 4: Simplify right side
    18,895.86x = 285,318,401.17
  5. Step 5: Solve for x
    x = 285,318,401.17/18,895.86
  6. Step 6: Final answer
    x = 15,099.52

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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.