Home / 12,556.00-18,813.20-6,302.80

Finding the Fourth Proportional to 12,556.00, 18,813.20 and 6,302.80

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Solution

The fourth proportional to 12,556.00, 18,813.20 and 6,302.80 is: 9,443.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.00 : 18,813.20 = 6,302.80 : x
  2. Step 2: Convert to fraction form
    12,556.00/18,813.20 = 6,302.80/x
  3. Step 3: Cross multiply
    12,556.00x = 18,813.20 × 6,302.80
  4. Step 4: Simplify right side
    12,556.00x = 118,575,723.14
  5. Step 5: Solve for x
    x = 118,575,723.14/12,556.00
  6. Step 6: Final answer
    x = 9,443.75

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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.