Home / 16,782.02-25,173.07-7,890.84

Finding the Fourth Proportional to 16,782.02, 25,173.07 and 7,890.84

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Solution

The fourth proportional to 16,782.02, 25,173.07 and 7,890.84 is: 11,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.02 : 25,173.07 = 7,890.84 : x
  2. Step 2: Convert to fraction form
    16,782.02/25,173.07 = 7,890.84/x
  3. Step 3: Cross multiply
    16,782.02x = 25,173.07 × 7,890.84
  4. Step 4: Simplify right side
    16,782.02x = 198,636,647.95
  5. Step 5: Solve for x
    x = 198,636,647.95/16,782.02
  6. Step 6: Final answer
    x = 11,836.28

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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.