Home / 19,673.45-29,513.24-7,987.49

Finding the Fourth Proportional to 19,673.45, 29,513.24 and 7,987.49

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Solution

The fourth proportional to 19,673.45, 29,513.24 and 7,987.49 is: 11,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.45 : 29,513.24 = 7,987.49 : x
  2. Step 2: Convert to fraction form
    19,673.45/29,513.24 = 7,987.49/x
  3. Step 3: Cross multiply
    19,673.45x = 29,513.24 × 7,987.49
  4. Step 4: Simplify right side
    19,673.45x = 235,736,709.37
  5. Step 5: Solve for x
    x = 235,736,709.37/19,673.45
  6. Step 6: Final answer
    x = 11,982.48

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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.