Home / 15,435.36-23,153.08-3,748.56

Finding the Fourth Proportional to 15,435.36, 23,153.08 and 3,748.56

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Solution

The fourth proportional to 15,435.36, 23,153.08 and 3,748.56 is: 5,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.36 : 23,153.08 = 3,748.56 : x
  2. Step 2: Convert to fraction form
    15,435.36/23,153.08 = 3,748.56/x
  3. Step 3: Cross multiply
    15,435.36x = 23,153.08 × 3,748.56
  4. Step 4: Simplify right side
    15,435.36x = 86,790,709.56
  5. Step 5: Solve for x
    x = 86,790,709.56/15,435.36
  6. Step 6: Final answer
    x = 5,622.85

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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.