Home / 14,339.76-21,504.96-13,406.88

Finding the Fourth Proportional to 14,339.76, 21,504.96 and 13,406.88

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Solution

The fourth proportional to 14,339.76, 21,504.96 and 13,406.88 is: 20,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.76 : 21,504.96 = 13,406.88 : x
  2. Step 2: Convert to fraction form
    14,339.76/21,504.96 = 13,406.88/x
  3. Step 3: Cross multiply
    14,339.76x = 21,504.96 × 13,406.88
  4. Step 4: Simplify right side
    14,339.76x = 288,314,418.12
  5. Step 5: Solve for x
    x = 288,314,418.12/14,339.76
  6. Step 6: Final answer
    x = 20,105.94

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1.5x scale

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.