Home / 25,860.79-38,783.67-11,813.37

Finding the Fourth Proportional to 25,860.79, 38,783.67 and 11,813.37

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Solution

The fourth proportional to 25,860.79, 38,783.67 and 11,813.37 is: 17,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,860.79 : 38,783.67 = 11,813.37 : x
  2. Step 2: Convert to fraction form
    25,860.79/38,783.67 = 11,813.37/x
  3. Step 3: Cross multiply
    25,860.79x = 38,783.67 × 11,813.37
  4. Step 4: Simplify right side
    25,860.79x = 458,165,843.67
  5. Step 5: Solve for x
    x = 458,165,843.67/25,860.79
  6. Step 6: Final answer
    x = 17,716.62

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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.