Home / 11,093.72-15,309.28-6,313.68

Finding the Fourth Proportional to 11,093.72, 15,309.28 and 6,313.68

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Solution

The fourth proportional to 11,093.72, 15,309.28 and 6,313.68 is: 8,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.72 : 15,309.28 = 6,313.68 : x
  2. Step 2: Convert to fraction form
    11,093.72/15,309.28 = 6,313.68/x
  3. Step 3: Cross multiply
    11,093.72x = 15,309.28 × 6,313.68
  4. Step 4: Simplify right side
    11,093.72x = 96,657,894.95
  5. Step 5: Solve for x
    x = 96,657,894.95/11,093.72
  6. Step 6: Final answer
    x = 8,712.85

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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.