Home / 12,371.06-18,554.79-3,603.62

Finding the Fourth Proportional to 12,371.06, 18,554.79 and 3,603.62

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Solution

The fourth proportional to 12,371.06, 18,554.79 and 3,603.62 is: 5,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.06 : 18,554.79 = 3,603.62 : x
  2. Step 2: Convert to fraction form
    12,371.06/18,554.79 = 3,603.62/x
  3. Step 3: Cross multiply
    12,371.06x = 18,554.79 × 3,603.62
  4. Step 4: Simplify right side
    12,371.06x = 66,864,412.34
  5. Step 5: Solve for x
    x = 66,864,412.34/12,371.06
  6. Step 6: Final answer
    x = 5,404.91

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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.