Home / 13,435.44-20,151.30-3,575.52

Finding the Fourth Proportional to 13,435.44, 20,151.30 and 3,575.52

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Solution

The fourth proportional to 13,435.44, 20,151.30 and 3,575.52 is: 5,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.44 : 20,151.30 = 3,575.52 : x
  2. Step 2: Convert to fraction form
    13,435.44/20,151.30 = 3,575.52/x
  3. Step 3: Cross multiply
    13,435.44x = 20,151.30 × 3,575.52
  4. Step 4: Simplify right side
    13,435.44x = 72,051,376.18
  5. Step 5: Solve for x
    x = 72,051,376.18/13,435.44
  6. Step 6: Final answer
    x = 5,362.79

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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.