Home / 14,382.52-21,573.76-3,994.28

Finding the Fourth Proportional to 14,382.52, 21,573.76 and 3,994.28

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Solution

The fourth proportional to 14,382.52, 21,573.76 and 3,994.28 is: 5,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.52 : 21,573.76 = 3,994.28 : x
  2. Step 2: Convert to fraction form
    14,382.52/21,573.76 = 3,994.28/x
  3. Step 3: Cross multiply
    14,382.52x = 21,573.76 × 3,994.28
  4. Step 4: Simplify right side
    14,382.52x = 86,171,638.09
  5. Step 5: Solve for x
    x = 86,171,638.09/14,382.52
  6. Step 6: Final answer
    x = 5,991.41

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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.