Home / 12,808.65-19,211.36-4,044.45

Finding the Fourth Proportional to 12,808.65, 19,211.36 and 4,044.45

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Solution

The fourth proportional to 12,808.65, 19,211.36 and 4,044.45 is: 6,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.65 : 19,211.36 = 4,044.45 : x
  2. Step 2: Convert to fraction form
    12,808.65/19,211.36 = 4,044.45/x
  3. Step 3: Cross multiply
    12,808.65x = 19,211.36 × 4,044.45
  4. Step 4: Simplify right side
    12,808.65x = 77,699,364.73
  5. Step 5: Solve for x
    x = 77,699,364.73/12,808.65
  6. Step 6: Final answer
    x = 6,066.16

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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.