Home / 21,049.46-29,048.67-11,618.01

Finding the Fourth Proportional to 21,049.46, 29,048.67 and 11,618.01

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Solution

The fourth proportional to 21,049.46, 29,048.67 and 11,618.01 is: 16,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.46 : 29,048.67 = 11,618.01 : x
  2. Step 2: Convert to fraction form
    21,049.46/29,048.67 = 11,618.01/x
  3. Step 3: Cross multiply
    21,049.46x = 29,048.67 × 11,618.01
  4. Step 4: Simplify right side
    21,049.46x = 337,487,738.55
  5. Step 5: Solve for x
    x = 337,487,738.55/21,049.46
  6. Step 6: Final answer
    x = 16,033.09

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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.