Home / 16,721.21-25,085.12-6,191.33

Finding the Fourth Proportional to 16,721.21, 25,085.12 and 6,191.33

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Solution

The fourth proportional to 16,721.21, 25,085.12 and 6,191.33 is: 9,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.21 : 25,085.12 = 6,191.33 : x
  2. Step 2: Convert to fraction form
    16,721.21/25,085.12 = 6,191.33/x
  3. Step 3: Cross multiply
    16,721.21x = 25,085.12 × 6,191.33
  4. Step 4: Simplify right side
    16,721.21x = 155,310,099.63
  5. Step 5: Solve for x
    x = 155,310,099.63/16,721.21
  6. Step 6: Final answer
    x = 9,288.21

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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.