Home / 12,806.67-19,210.04-4,042.28

Finding the Fourth Proportional to 12,806.67, 19,210.04 and 4,042.28

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Solution

The fourth proportional to 12,806.67, 19,210.04 and 4,042.28 is: 6,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806.67 : 19,210.04 = 4,042.28 : x
  2. Step 2: Convert to fraction form
    12,806.67/19,210.04 = 4,042.28/x
  3. Step 3: Cross multiply
    12,806.67x = 19,210.04 × 4,042.28
  4. Step 4: Simplify right side
    12,806.67x = 77,652,244.23
  5. Step 5: Solve for x
    x = 77,652,244.23/12,806.67
  6. Step 6: Final answer
    x = 6,063.42

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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.