Home / 12,808.08-19,212.12-4,042.80

Finding the Fourth Proportional to 12,808.08, 19,212.12 and 4,042.80

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Solution

The fourth proportional to 12,808.08, 19,212.12 and 4,042.80 is: 6,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.08 : 19,212.12 = 4,042.80 : x
  2. Step 2: Convert to fraction form
    12,808.08/19,212.12 = 4,042.80/x
  3. Step 3: Cross multiply
    12,808.08x = 19,212.12 × 4,042.80
  4. Step 4: Simplify right side
    12,808.08x = 77,670,758.74
  5. Step 5: Solve for x
    x = 77,670,758.74/12,808.08
  6. Step 6: Final answer
    x = 6,064.20

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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.