Home / 14,139.27-19,554.48-12,367.80

Finding the Fourth Proportional to 14,139.27, 19,554.48 and 12,367.80

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Solution

The fourth proportional to 14,139.27, 19,554.48 and 12,367.80 is: 17,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.27 : 19,554.48 = 12,367.80 : x
  2. Step 2: Convert to fraction form
    14,139.27/19,554.48 = 12,367.80/x
  3. Step 3: Cross multiply
    14,139.27x = 19,554.48 × 12,367.80
  4. Step 4: Simplify right side
    14,139.27x = 241,845,897.74
  5. Step 5: Solve for x
    x = 241,845,897.74/14,139.27
  6. Step 6: Final answer
    x = 17,104.55

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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.