Home / 14,015.50-21,021.02-3,881.49

Finding the Fourth Proportional to 14,015.50, 21,021.02 and 3,881.49

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Solution

The fourth proportional to 14,015.50, 21,021.02 and 3,881.49 is: 5,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.50 : 21,021.02 = 3,881.49 : x
  2. Step 2: Convert to fraction form
    14,015.50/21,021.02 = 3,881.49/x
  3. Step 3: Cross multiply
    14,015.50x = 21,021.02 × 3,881.49
  4. Step 4: Simplify right side
    14,015.50x = 81,592,795.24
  5. Step 5: Solve for x
    x = 81,592,795.24/14,015.50
  6. Step 6: Final answer
    x = 5,821.61

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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.