Home / 15,383.56-23,075.36-4,290.54

Finding the Fourth Proportional to 15,383.56, 23,075.36 and 4,290.54

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Solution

The fourth proportional to 15,383.56, 23,075.36 and 4,290.54 is: 6,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.56 : 23,075.36 = 4,290.54 : x
  2. Step 2: Convert to fraction form
    15,383.56/23,075.36 = 4,290.54/x
  3. Step 3: Cross multiply
    15,383.56x = 23,075.36 × 4,290.54
  4. Step 4: Simplify right side
    15,383.56x = 99,005,755.09
  5. Step 5: Solve for x
    x = 99,005,755.09/15,383.56
  6. Step 6: Final answer
    x = 6,435.82

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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.