Home / 16,855.84-25,283.55-13,161.11

Finding the Fourth Proportional to 16,855.84, 25,283.55 and 13,161.11

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Solution

The fourth proportional to 16,855.84, 25,283.55 and 13,161.11 is: 19,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.84 : 25,283.55 = 13,161.11 : x
  2. Step 2: Convert to fraction form
    16,855.84/25,283.55 = 13,161.11/x
  3. Step 3: Cross multiply
    16,855.84x = 25,283.55 × 13,161.11
  4. Step 4: Simplify right side
    16,855.84x = 332,759,582.74
  5. Step 5: Solve for x
    x = 332,759,582.74/16,855.84
  6. Step 6: Final answer
    x = 19,741.51

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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.