Home / 13,826.14-20,737.18-6,804.30

Finding the Fourth Proportional to 13,826.14, 20,737.18 and 6,804.30

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Solution

The fourth proportional to 13,826.14, 20,737.18 and 6,804.30 is: 10,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.14 : 20,737.18 = 6,804.30 : x
  2. Step 2: Convert to fraction form
    13,826.14/20,737.18 = 6,804.30/x
  3. Step 3: Cross multiply
    13,826.14x = 20,737.18 × 6,804.30
  4. Step 4: Simplify right side
    13,826.14x = 141,101,993.87
  5. Step 5: Solve for x
    x = 141,101,993.87/13,826.14
  6. Step 6: Final answer
    x = 10,205.45

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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.