Home / 11,237.21-15,506.83-6,453.79

Finding the Fourth Proportional to 11,237.21, 15,506.83 and 6,453.79

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Solution

The fourth proportional to 11,237.21, 15,506.83 and 6,453.79 is: 8,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.21 : 15,506.83 = 6,453.79 : x
  2. Step 2: Convert to fraction form
    11,237.21/15,506.83 = 6,453.79/x
  3. Step 3: Cross multiply
    11,237.21x = 15,506.83 × 6,453.79
  4. Step 4: Simplify right side
    11,237.21x = 100,077,824.39
  5. Step 5: Solve for x
    x = 100,077,824.39/11,237.21
  6. Step 6: Final answer
    x = 8,905.93

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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.