Home / 15,644.44-21,588.42-8,569.63

Finding the Fourth Proportional to 15,644.44, 21,588.42 and 8,569.63

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Solution

The fourth proportional to 15,644.44, 21,588.42 and 8,569.63 is: 11,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.44 : 21,588.42 = 8,569.63 : x
  2. Step 2: Convert to fraction form
    15,644.44/21,588.42 = 8,569.63/x
  3. Step 3: Cross multiply
    15,644.44x = 21,588.42 × 8,569.63
  4. Step 4: Simplify right side
    15,644.44x = 185,004,771.68
  5. Step 5: Solve for x
    x = 185,004,771.68/15,644.44
  6. Step 6: Final answer
    x = 11,825.59

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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.