Home / 15,647.78-23,464.38-9,075.85

Finding the Fourth Proportional to 15,647.78, 23,464.38 and 9,075.85

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Solution

The fourth proportional to 15,647.78, 23,464.38 and 9,075.85 is: 13,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.78 : 23,464.38 = 9,075.85 : x
  2. Step 2: Convert to fraction form
    15,647.78/23,464.38 = 9,075.85/x
  3. Step 3: Cross multiply
    15,647.78x = 23,464.38 × 9,075.85
  4. Step 4: Simplify right side
    15,647.78x = 212,959,168.60
  5. Step 5: Solve for x
    x = 212,959,168.60/15,647.78
  6. Step 6: Final answer
    x = 13,609.54

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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.