Home / 11,313.83-16,965.35-4,649.28

Finding the Fourth Proportional to 11,313.83, 16,965.35 and 4,649.28

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Solution

The fourth proportional to 11,313.83, 16,965.35 and 4,649.28 is: 6,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.83 : 16,965.35 = 4,649.28 : x
  2. Step 2: Convert to fraction form
    11,313.83/16,965.35 = 4,649.28/x
  3. Step 3: Cross multiply
    11,313.83x = 16,965.35 × 4,649.28
  4. Step 4: Simplify right side
    11,313.83x = 78,876,688.45
  5. Step 5: Solve for x
    x = 78,876,688.45/11,313.83
  6. Step 6: Final answer
    x = 6,971.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.