Home / 12,826.80-19,239.23-4,506.89

Finding the Fourth Proportional to 12,826.80, 19,239.23 and 4,506.89

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Solution

The fourth proportional to 12,826.80, 19,239.23 and 4,506.89 is: 6,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.80 : 19,239.23 = 4,506.89 : x
  2. Step 2: Convert to fraction form
    12,826.80/19,239.23 = 4,506.89/x
  3. Step 3: Cross multiply
    12,826.80x = 19,239.23 × 4,506.89
  4. Step 4: Simplify right side
    12,826.80x = 86,709,093.29
  5. Step 5: Solve for x
    x = 86,709,093.29/12,826.80
  6. Step 6: Final answer
    x = 6,759.99

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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.