Home / 14,078.89-21,119.04-4,217.23

Finding the Fourth Proportional to 14,078.89, 21,119.04 and 4,217.23

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Solution

The fourth proportional to 14,078.89, 21,119.04 and 4,217.23 is: 6,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.89 : 21,119.04 = 4,217.23 : x
  2. Step 2: Convert to fraction form
    14,078.89/21,119.04 = 4,217.23/x
  3. Step 3: Cross multiply
    14,078.89x = 21,119.04 × 4,217.23
  4. Step 4: Simplify right side
    14,078.89x = 89,063,839.83
  5. Step 5: Solve for x
    x = 89,063,839.83/14,078.89
  6. Step 6: Final answer
    x = 6,326.05

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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.