Home / 13,942.90-20,895.89-10,227.74

Finding the Fourth Proportional to 13,942.90, 20,895.89 and 10,227.74

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Solution

The fourth proportional to 13,942.90, 20,895.89 and 10,227.74 is: 15,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.90 : 20,895.89 = 10,227.74 : x
  2. Step 2: Convert to fraction form
    13,942.90/20,895.89 = 10,227.74/x
  3. Step 3: Cross multiply
    13,942.90x = 20,895.89 × 10,227.74
  4. Step 4: Simplify right side
    13,942.90x = 213,717,729.99
  5. Step 5: Solve for x
    x = 213,717,729.99/13,942.90
  6. Step 6: Final answer
    x = 15,328.07

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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.