Home / 14,000.06-21,000.36-3,611.54

Finding the Fourth Proportional to 14,000.06, 21,000.36 and 3,611.54

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Solution

The fourth proportional to 14,000.06, 21,000.36 and 3,611.54 is: 5,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.06 : 21,000.36 = 3,611.54 : x
  2. Step 2: Convert to fraction form
    14,000.06/21,000.36 = 3,611.54/x
  3. Step 3: Cross multiply
    14,000.06x = 21,000.36 × 3,611.54
  4. Step 4: Simplify right side
    14,000.06x = 75,843,640.15
  5. Step 5: Solve for x
    x = 75,843,640.15/14,000.06
  6. Step 6: Final answer
    x = 5,417.38

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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.