Home / 11,230.09-15,495.05-6,511.64

Finding the Fourth Proportional to 11,230.09, 15,495.05 and 6,511.64

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Solution

The fourth proportional to 11,230.09, 15,495.05 and 6,511.64 is: 8,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.09 : 15,495.05 = 6,511.64 : x
  2. Step 2: Convert to fraction form
    11,230.09/15,495.05 = 6,511.64/x
  3. Step 3: Cross multiply
    11,230.09x = 15,495.05 × 6,511.64
  4. Step 4: Simplify right side
    11,230.09x = 100,898,176.72
  5. Step 5: Solve for x
    x = 100,898,176.72/11,230.09
  6. Step 6: Final answer
    x = 8,984.63

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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.