Home / 8,143.93-12,217.69-4,635.59

Finding the Fourth Proportional to 8,143.93, 12,217.69 and 4,635.59

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Solution

The fourth proportional to 8,143.93, 12,217.69 and 4,635.59 is: 6,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.93 : 12,217.69 = 4,635.59 : x
  2. Step 2: Convert to fraction form
    8,143.93/12,217.69 = 4,635.59/x
  3. Step 3: Cross multiply
    8,143.93x = 12,217.69 × 4,635.59
  4. Step 4: Simplify right side
    8,143.93x = 56,636,128.91
  5. Step 5: Solve for x
    x = 56,636,128.91/8,143.93
  6. Step 6: Final answer
    x = 6,954.40

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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.