Home / 14,950.97-20,641.19-13,290.37

Finding the Fourth Proportional to 14,950.97, 20,641.19 and 13,290.37

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Solution

The fourth proportional to 14,950.97, 20,641.19 and 13,290.37 is: 18,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,950.97 : 20,641.19 = 13,290.37 : x
  2. Step 2: Convert to fraction form
    14,950.97/20,641.19 = 13,290.37/x
  3. Step 3: Cross multiply
    14,950.97x = 20,641.19 × 13,290.37
  4. Step 4: Simplify right side
    14,950.97x = 274,329,052.34
  5. Step 5: Solve for x
    x = 274,329,052.34/14,950.97
  6. Step 6: Final answer
    x = 18,348.58

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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.