Home / 14,136.46-21,204.69-4,774.75

Finding the Fourth Proportional to 14,136.46, 21,204.69 and 4,774.75

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Solution

The fourth proportional to 14,136.46, 21,204.69 and 4,774.75 is: 7,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.46 : 21,204.69 = 4,774.75 : x
  2. Step 2: Convert to fraction form
    14,136.46/21,204.69 = 4,774.75/x
  3. Step 3: Cross multiply
    14,136.46x = 21,204.69 × 4,774.75
  4. Step 4: Simplify right side
    14,136.46x = 101,247,093.58
  5. Step 5: Solve for x
    x = 101,247,093.58/14,136.46
  6. Step 6: Final answer
    x = 7,162.13

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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.