Home / 11,513.03-15,887.96-6,477.25

Finding the Fourth Proportional to 11,513.03, 15,887.96 and 6,477.25

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Solution

The fourth proportional to 11,513.03, 15,887.96 and 6,477.25 is: 8,938.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.03 : 15,887.96 = 6,477.25 : x
  2. Step 2: Convert to fraction form
    11,513.03/15,887.96 = 6,477.25/x
  3. Step 3: Cross multiply
    11,513.03x = 15,887.96 × 6,477.25
  4. Step 4: Simplify right side
    11,513.03x = 102,910,216.80
  5. Step 5: Solve for x
    x = 102,910,216.80/11,513.03
  6. Step 6: Final answer
    x = 8,938.59

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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.