Home / 14,181.27-21,271.91-3,792.75

Finding the Fourth Proportional to 14,181.27, 21,271.91 and 3,792.75

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Solution

The fourth proportional to 14,181.27, 21,271.91 and 3,792.75 is: 5,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.27 : 21,271.91 = 3,792.75 : x
  2. Step 2: Convert to fraction form
    14,181.27/21,271.91 = 3,792.75/x
  3. Step 3: Cross multiply
    14,181.27x = 21,271.91 × 3,792.75
  4. Step 4: Simplify right side
    14,181.27x = 80,679,017.69
  5. Step 5: Solve for x
    x = 80,679,017.69/14,181.27
  6. Step 6: Final answer
    x = 5,689.13

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Similar ratio
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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.