Home / 14,078.85-19,325.31-12,449.80

Finding the Fourth Proportional to 14,078.85, 19,325.31 and 12,449.80

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Solution

The fourth proportional to 14,078.85, 19,325.31 and 12,449.80 is: 17,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.85 : 19,325.31 = 12,449.80 : x
  2. Step 2: Convert to fraction form
    14,078.85/19,325.31 = 12,449.80/x
  3. Step 3: Cross multiply
    14,078.85x = 19,325.31 × 12,449.80
  4. Step 4: Simplify right side
    14,078.85x = 240,596,244.44
  5. Step 5: Solve for x
    x = 240,596,244.44/14,078.85
  6. Step 6: Final answer
    x = 17,089.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.