Home / 18,450.12-25,460.42-10,383.60

Finding the Fourth Proportional to 18,450.12, 25,460.42 and 10,383.60

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Solution

The fourth proportional to 18,450.12, 25,460.42 and 10,383.60 is: 14,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.12 : 25,460.42 = 10,383.60 : x
  2. Step 2: Convert to fraction form
    18,450.12/25,460.42 = 10,383.60/x
  3. Step 3: Cross multiply
    18,450.12x = 25,460.42 × 10,383.60
  4. Step 4: Simplify right side
    18,450.12x = 264,370,817.11
  5. Step 5: Solve for x
    x = 264,370,817.11/18,450.12
  6. Step 6: Final answer
    x = 14,328.95

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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.