Home / 9,236.21-13,916.66-7,628.77

Finding the Fourth Proportional to 9,236.21, 13,916.66 and 7,628.77

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Solution

The fourth proportional to 9,236.21, 13,916.66 and 7,628.77 is: 11,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.21 : 13,916.66 = 7,628.77 : x
  2. Step 2: Convert to fraction form
    9,236.21/13,916.66 = 7,628.77/x
  3. Step 3: Cross multiply
    9,236.21x = 13,916.66 × 7,628.77
  4. Step 4: Simplify right side
    9,236.21x = 106,166,998.31
  5. Step 5: Solve for x
    x = 106,166,998.31/9,236.21
  6. Step 6: Final answer
    x = 11,494.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.