Home / 14,218.88-19,556.44-12,447.41

Finding the Fourth Proportional to 14,218.88, 19,556.44 and 12,447.41

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Solution

The fourth proportional to 14,218.88, 19,556.44 and 12,447.41 is: 17,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.88 : 19,556.44 = 12,447.41 : x
  2. Step 2: Convert to fraction form
    14,218.88/19,556.44 = 12,447.41/x
  3. Step 3: Cross multiply
    14,218.88x = 19,556.44 × 12,447.41
  4. Step 4: Simplify right side
    14,218.88x = 243,426,897.92
  5. Step 5: Solve for x
    x = 243,426,897.92/14,218.88
  6. Step 6: Final answer
    x = 17,119.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.