Home / 14,479.70-21,705.68-4,613.54

Finding the Fourth Proportional to 14,479.70, 21,705.68 and 4,613.54

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Solution

The fourth proportional to 14,479.70, 21,705.68 and 4,613.54 is: 6,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.70 : 21,705.68 = 4,613.54 : x
  2. Step 2: Convert to fraction form
    14,479.70/21,705.68 = 4,613.54/x
  3. Step 3: Cross multiply
    14,479.70x = 21,705.68 × 4,613.54
  4. Step 4: Simplify right side
    14,479.70x = 100,140,022.91
  5. Step 5: Solve for x
    x = 100,140,022.91/14,479.70
  6. Step 6: Final answer
    x = 6,915.89

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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.