Home / 13,604.94-20,409.57-5,813.82

Finding the Fourth Proportional to 13,604.94, 20,409.57 and 5,813.82

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Solution

The fourth proportional to 13,604.94, 20,409.57 and 5,813.82 is: 8,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.94 : 20,409.57 = 5,813.82 : x
  2. Step 2: Convert to fraction form
    13,604.94/20,409.57 = 5,813.82/x
  3. Step 3: Cross multiply
    13,604.94x = 20,409.57 × 5,813.82
  4. Step 4: Simplify right side
    13,604.94x = 118,657,566.26
  5. Step 5: Solve for x
    x = 118,657,566.26/13,604.94
  6. Step 6: Final answer
    x = 8,721.65

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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.