Home / 12,808.42-19,200.91-4,483.88

Finding the Fourth Proportional to 12,808.42, 19,200.91 and 4,483.88

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Solution

The fourth proportional to 12,808.42, 19,200.91 and 4,483.88 is: 6,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.42 : 19,200.91 = 4,483.88 : x
  2. Step 2: Convert to fraction form
    12,808.42/19,200.91 = 4,483.88/x
  3. Step 3: Cross multiply
    12,808.42x = 19,200.91 × 4,483.88
  4. Step 4: Simplify right side
    12,808.42x = 86,094,609.84
  5. Step 5: Solve for x
    x = 86,094,609.84/12,808.42
  6. Step 6: Final answer
    x = 6,721.72

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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.