Home / 22,454.93-30,986.87-13,256.43

Finding the Fourth Proportional to 22,454.93, 30,986.87 and 13,256.43

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Solution

The fourth proportional to 22,454.93, 30,986.87 and 13,256.43 is: 18,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.93 : 30,986.87 = 13,256.43 : x
  2. Step 2: Convert to fraction form
    22,454.93/30,986.87 = 13,256.43/x
  3. Step 3: Cross multiply
    22,454.93x = 30,986.87 × 13,256.43
  4. Step 4: Simplify right side
    22,454.93x = 410,775,206.79
  5. Step 5: Solve for x
    x = 410,775,206.79/22,454.93
  6. Step 6: Final answer
    x = 18,293.32

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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.