Home / 13,418.46-18,511.07-9,441.77

Finding the Fourth Proportional to 13,418.46, 18,511.07 and 9,441.77

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Solution

The fourth proportional to 13,418.46, 18,511.07 and 9,441.77 is: 13,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418.46 : 18,511.07 = 9,441.77 : x
  2. Step 2: Convert to fraction form
    13,418.46/18,511.07 = 9,441.77/x
  3. Step 3: Cross multiply
    13,418.46x = 18,511.07 × 9,441.77
  4. Step 4: Simplify right side
    13,418.46x = 174,777,125.63
  5. Step 5: Solve for x
    x = 174,777,125.63/13,418.46
  6. Step 6: Final answer
    x = 13,025.13

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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.