Home / 19,140.75-26,414.78-11,588.45

Finding the Fourth Proportional to 19,140.75, 26,414.78 and 11,588.45

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Solution

The fourth proportional to 19,140.75, 26,414.78 and 11,588.45 is: 15,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.75 : 26,414.78 = 11,588.45 : x
  2. Step 2: Convert to fraction form
    19,140.75/26,414.78 = 11,588.45/x
  3. Step 3: Cross multiply
    19,140.75x = 26,414.78 × 11,588.45
  4. Step 4: Simplify right side
    19,140.75x = 306,106,167.27
  5. Step 5: Solve for x
    x = 306,106,167.27/19,140.75
  6. Step 6: Final answer
    x = 15,992.38

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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.