Home / 15,826.60-21,817.38-11,627.56

Finding the Fourth Proportional to 15,826.60, 21,817.38 and 11,627.56

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Solution

The fourth proportional to 15,826.60, 21,817.38 and 11,627.56 is: 16,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.60 : 21,817.38 = 11,627.56 : x
  2. Step 2: Convert to fraction form
    15,826.60/21,817.38 = 11,627.56/x
  3. Step 3: Cross multiply
    15,826.60x = 21,817.38 × 11,627.56
  4. Step 4: Simplify right side
    15,826.60x = 253,682,894.99
  5. Step 5: Solve for x
    x = 253,682,894.99/15,826.60
  6. Step 6: Final answer
    x = 16,028.89

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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.