Home / 14,021.35-21,035.04-4,161.31

Finding the Fourth Proportional to 14,021.35, 21,035.04 and 4,161.31

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Solution

The fourth proportional to 14,021.35, 21,035.04 and 4,161.31 is: 6,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.35 : 21,035.04 = 4,161.31 : x
  2. Step 2: Convert to fraction form
    14,021.35/21,035.04 = 4,161.31/x
  3. Step 3: Cross multiply
    14,021.35x = 21,035.04 × 4,161.31
  4. Step 4: Simplify right side
    14,021.35x = 87,533,322.30
  5. Step 5: Solve for x
    x = 87,533,322.30/14,021.35
  6. Step 6: Final answer
    x = 6,242.86

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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.