Home / 13,941.90-20,894.39-10,226.74

Finding the Fourth Proportional to 13,941.90, 20,894.39 and 10,226.74

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Solution

The fourth proportional to 13,941.90, 20,894.39 and 10,226.74 is: 15,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.90 : 20,894.39 = 10,226.74 : x
  2. Step 2: Convert to fraction form
    13,941.90/20,894.39 = 10,226.74/x
  3. Step 3: Cross multiply
    13,941.90x = 20,894.39 × 10,226.74
  4. Step 4: Simplify right side
    13,941.90x = 213,681,389.52
  5. Step 5: Solve for x
    x = 213,681,389.52/13,941.90
  6. Step 6: Final answer
    x = 15,326.56

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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.