Home / 18,940.95-26,137.33-10,442.63

Finding the Fourth Proportional to 18,940.95, 26,137.33 and 10,442.63

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Solution

The fourth proportional to 18,940.95, 26,137.33 and 10,442.63 is: 14,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.95 : 26,137.33 = 10,442.63 : x
  2. Step 2: Convert to fraction form
    18,940.95/26,137.33 = 10,442.63/x
  3. Step 3: Cross multiply
    18,940.95x = 26,137.33 × 10,442.63
  4. Step 4: Simplify right side
    18,940.95x = 272,942,505.61
  5. Step 5: Solve for x
    x = 272,942,505.61/18,940.95
  6. Step 6: Final answer
    x = 14,410.18

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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.