Home / 14,008.88-21,015.48-4,149.68

Finding the Fourth Proportional to 14,008.88, 21,015.48 and 4,149.68

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Solution

The fourth proportional to 14,008.88, 21,015.48 and 4,149.68 is: 6,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.88 : 21,015.48 = 4,149.68 : x
  2. Step 2: Convert to fraction form
    14,008.88/21,015.48 = 4,149.68/x
  3. Step 3: Cross multiply
    14,008.88x = 21,015.48 × 4,149.68
  4. Step 4: Simplify right side
    14,008.88x = 87,207,517.05
  5. Step 5: Solve for x
    x = 87,207,517.05/14,008.88
  6. Step 6: Final answer
    x = 6,225.16

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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.