Home / 14,217.26-21,300.35-8,370.68

Finding the Fourth Proportional to 14,217.26, 21,300.35 and 8,370.68

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Solution

The fourth proportional to 14,217.26, 21,300.35 and 8,370.68 is: 12,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.26 : 21,300.35 = 8,370.68 : x
  2. Step 2: Convert to fraction form
    14,217.26/21,300.35 = 8,370.68/x
  3. Step 3: Cross multiply
    14,217.26x = 21,300.35 × 8,370.68
  4. Step 4: Simplify right side
    14,217.26x = 178,298,265.38
  5. Step 5: Solve for x
    x = 178,298,265.38/14,217.26
  6. Step 6: Final answer
    x = 12,540.98

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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.