Home / 12,368.06-18,553.44-3,604.40

Finding the Fourth Proportional to 12,368.06, 18,553.44 and 3,604.40

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Solution

The fourth proportional to 12,368.06, 18,553.44 and 3,604.40 is: 5,406.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.06 : 18,553.44 = 3,604.40 : x
  2. Step 2: Convert to fraction form
    12,368.06/18,553.44 = 3,604.40/x
  3. Step 3: Cross multiply
    12,368.06x = 18,553.44 × 3,604.40
  4. Step 4: Simplify right side
    12,368.06x = 66,874,019.14
  5. Step 5: Solve for x
    x = 66,874,019.14/12,368.06
  6. Step 6: Final answer
    x = 5,406.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.