Home / 14,002.19-21,004.50-5,119.96

Finding the Fourth Proportional to 14,002.19, 21,004.50 and 5,119.96

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Solution

The fourth proportional to 14,002.19, 21,004.50 and 5,119.96 is: 7,680.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.19 : 21,004.50 = 5,119.96 : x
  2. Step 2: Convert to fraction form
    14,002.19/21,004.50 = 5,119.96/x
  3. Step 3: Cross multiply
    14,002.19x = 21,004.50 × 5,119.96
  4. Step 4: Simplify right side
    14,002.19x = 107,542,094.80
  5. Step 5: Solve for x
    x = 107,542,094.80/14,002.19
  6. Step 6: Final answer
    x = 7,680.38

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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.