Home / 19,378.90-29,074.82-7,533.07

Finding the Fourth Proportional to 19,378.90, 29,074.82 and 7,533.07

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Solution

The fourth proportional to 19,378.90, 29,074.82 and 7,533.07 is: 11,302.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.90 : 29,074.82 = 7,533.07 : x
  2. Step 2: Convert to fraction form
    19,378.90/29,074.82 = 7,533.07/x
  3. Step 3: Cross multiply
    19,378.90x = 29,074.82 × 7,533.07
  4. Step 4: Simplify right side
    19,378.90x = 219,022,745.82
  5. Step 5: Solve for x
    x = 219,022,745.82/19,378.90
  6. Step 6: Final answer
    x = 11,302.12

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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.