Home / 12,518.94-18,755.30-10,856.82

Finding the Fourth Proportional to 12,518.94, 18,755.30 and 10,856.82

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Solution

The fourth proportional to 12,518.94, 18,755.30 and 10,856.82 is: 16,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.94 : 18,755.30 = 10,856.82 : x
  2. Step 2: Convert to fraction form
    12,518.94/18,755.30 = 10,856.82/x
  3. Step 3: Cross multiply
    12,518.94x = 18,755.30 × 10,856.82
  4. Step 4: Simplify right side
    12,518.94x = 203,622,916.15
  5. Step 5: Solve for x
    x = 203,622,916.15/12,518.94
  6. Step 6: Final answer
    x = 16,265.19

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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.