Home / 18,834.81-25,991.76-10,768.38

Finding the Fourth Proportional to 18,834.81, 25,991.76 and 10,768.38

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Solution

The fourth proportional to 18,834.81, 25,991.76 and 10,768.38 is: 14,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.81 : 25,991.76 = 10,768.38 : x
  2. Step 2: Convert to fraction form
    18,834.81/25,991.76 = 10,768.38/x
  3. Step 3: Cross multiply
    18,834.81x = 25,991.76 × 10,768.38
  4. Step 4: Simplify right side
    18,834.81x = 279,889,148.55
  5. Step 5: Solve for x
    x = 279,889,148.55/18,834.81
  6. Step 6: Final answer
    x = 14,860.21

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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.