Home / 16,805.35-25,223.60-8,491.21

Finding the Fourth Proportional to 16,805.35, 25,223.60 and 8,491.21

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Solution

The fourth proportional to 16,805.35, 25,223.60 and 8,491.21 is: 12,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.35 : 25,223.60 = 8,491.21 : x
  2. Step 2: Convert to fraction form
    16,805.35/25,223.60 = 8,491.21/x
  3. Step 3: Cross multiply
    16,805.35x = 25,223.60 × 8,491.21
  4. Step 4: Simplify right side
    16,805.35x = 214,178,895.17
  5. Step 5: Solve for x
    x = 214,178,895.17/16,805.35
  6. Step 6: Final answer
    x = 12,744.69

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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.