Home / 14,208.94-21,313.38-3,820.70

Finding the Fourth Proportional to 14,208.94, 21,313.38 and 3,820.70

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Solution

The fourth proportional to 14,208.94, 21,313.38 and 3,820.70 is: 5,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.94 : 21,313.38 = 3,820.70 : x
  2. Step 2: Convert to fraction form
    14,208.94/21,313.38 = 3,820.70/x
  3. Step 3: Cross multiply
    14,208.94x = 21,313.38 × 3,820.70
  4. Step 4: Simplify right side
    14,208.94x = 81,432,030.97
  5. Step 5: Solve for x
    x = 81,432,030.97/14,208.94
  6. Step 6: Final answer
    x = 5,731.04

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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.