Home / 18,442.41-25,386.54-13,958.25

Finding the Fourth Proportional to 18,442.41, 25,386.54 and 13,958.25

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Solution

The fourth proportional to 18,442.41, 25,386.54 and 13,958.25 is: 19,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.41 : 25,386.54 = 13,958.25 : x
  2. Step 2: Convert to fraction form
    18,442.41/25,386.54 = 13,958.25/x
  3. Step 3: Cross multiply
    18,442.41x = 25,386.54 × 13,958.25
  4. Step 4: Simplify right side
    18,442.41x = 354,351,671.96
  5. Step 5: Solve for x
    x = 354,351,671.96/18,442.41
  6. Step 6: Final answer
    x = 19,213.96

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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.