Home / 18,384.33-25,347.96-15,546.63

Finding the Fourth Proportional to 18,384.33, 25,347.96 and 15,546.63

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Solution

The fourth proportional to 18,384.33, 25,347.96 and 15,546.63 is: 21,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.33 : 25,347.96 = 15,546.63 : x
  2. Step 2: Convert to fraction form
    18,384.33/25,347.96 = 15,546.63/x
  3. Step 3: Cross multiply
    18,384.33x = 25,347.96 × 15,546.63
  4. Step 4: Simplify right side
    18,384.33x = 394,075,355.37
  5. Step 5: Solve for x
    x = 394,075,355.37/18,384.33
  6. Step 6: Final answer
    x = 21,435.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.