Home / 12,618.45-17,414.19-7,313.76

Finding the Fourth Proportional to 12,618.45, 17,414.19 and 7,313.76

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Solution

The fourth proportional to 12,618.45, 17,414.19 and 7,313.76 is: 10,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.45 : 17,414.19 = 7,313.76 : x
  2. Step 2: Convert to fraction form
    12,618.45/17,414.19 = 7,313.76/x
  3. Step 3: Cross multiply
    12,618.45x = 17,414.19 × 7,313.76
  4. Step 4: Simplify right side
    12,618.45x = 127,363,206.25
  5. Step 5: Solve for x
    x = 127,363,206.25/12,618.45
  6. Step 6: Final answer
    x = 10,093.41

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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.