Home / 14,644.26-21,915.35-11,980.98

Finding the Fourth Proportional to 14,644.26, 21,915.35 and 11,980.98

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Solution

The fourth proportional to 14,644.26, 21,915.35 and 11,980.98 is: 17,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.26 : 21,915.35 = 11,980.98 : x
  2. Step 2: Convert to fraction form
    14,644.26/21,915.35 = 11,980.98/x
  3. Step 3: Cross multiply
    14,644.26x = 21,915.35 × 11,980.98
  4. Step 4: Simplify right side
    14,644.26x = 262,567,370.04
  5. Step 5: Solve for x
    x = 262,567,370.04/14,644.26
  6. Step 6: Final answer
    x = 17,929.71

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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.