Home / 19,782.12-27,299.33-10,829.60

Finding the Fourth Proportional to 19,782.12, 27,299.33 and 10,829.60

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Solution

The fourth proportional to 19,782.12, 27,299.33 and 10,829.60 is: 14,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.12 : 27,299.33 = 10,829.60 : x
  2. Step 2: Convert to fraction form
    19,782.12/27,299.33 = 10,829.60/x
  3. Step 3: Cross multiply
    19,782.12x = 27,299.33 × 10,829.60
  4. Step 4: Simplify right side
    19,782.12x = 295,640,776.51
  5. Step 5: Solve for x
    x = 295,640,776.51/19,782.12
  6. Step 6: Final answer
    x = 14,944.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.