Home / 13,827.97-20,748.64-6,804.19

Finding the Fourth Proportional to 13,827.97, 20,748.64 and 6,804.19

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Solution

The fourth proportional to 13,827.97, 20,748.64 and 6,804.19 is: 10,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.97 : 20,748.64 = 6,804.19 : x
  2. Step 2: Convert to fraction form
    13,827.97/20,748.64 = 6,804.19/x
  3. Step 3: Cross multiply
    13,827.97x = 20,748.64 × 6,804.19
  4. Step 4: Simplify right side
    13,827.97x = 141,177,688.80
  5. Step 5: Solve for x
    x = 141,177,688.80/13,827.97
  6. Step 6: Final answer
    x = 10,209.57

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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.