Home / 18,579.40-27,852.70-14,216.34

Finding the Fourth Proportional to 18,579.40, 27,852.70 and 14,216.34

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Solution

The fourth proportional to 18,579.40, 27,852.70 and 14,216.34 is: 21,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.40 : 27,852.70 = 14,216.34 : x
  2. Step 2: Convert to fraction form
    18,579.40/27,852.70 = 14,216.34/x
  3. Step 3: Cross multiply
    18,579.40x = 27,852.70 × 14,216.34
  4. Step 4: Simplify right side
    18,579.40x = 395,963,453.12
  5. Step 5: Solve for x
    x = 395,963,453.12/18,579.40
  6. Step 6: Final answer
    x = 21,311.96

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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.