Home / 18,834.88-25,992.30-10,878.46

Finding the Fourth Proportional to 18,834.88, 25,992.30 and 10,878.46

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Solution

The fourth proportional to 18,834.88, 25,992.30 and 10,878.46 is: 15,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.88 : 25,992.30 = 10,878.46 : x
  2. Step 2: Convert to fraction form
    18,834.88/25,992.30 = 10,878.46/x
  3. Step 3: Cross multiply
    18,834.88x = 25,992.30 × 10,878.46
  4. Step 4: Simplify right side
    18,834.88x = 282,756,195.86
  5. Step 5: Solve for x
    x = 282,756,195.86/18,834.88
  6. Step 6: Final answer
    x = 15,012.37

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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.