Home / 13,826.22-20,723.13-6,809.46

Finding the Fourth Proportional to 13,826.22, 20,723.13 and 6,809.46

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Solution

The fourth proportional to 13,826.22, 20,723.13 and 6,809.46 is: 10,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.22 : 20,723.13 = 6,809.46 : x
  2. Step 2: Convert to fraction form
    13,826.22/20,723.13 = 6,809.46/x
  3. Step 3: Cross multiply
    13,826.22x = 20,723.13 × 6,809.46
  4. Step 4: Simplify right side
    13,826.22x = 141,113,324.81
  5. Step 5: Solve for x
    x = 141,113,324.81/13,826.22
  6. Step 6: Final answer
    x = 10,206.21

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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.