Home / 9,536.79-14,310.78-3,989.68

Finding the Fourth Proportional to 9,536.79, 14,310.78 and 3,989.68

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Solution

The fourth proportional to 9,536.79, 14,310.78 and 3,989.68 is: 5,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,536.79 : 14,310.78 = 3,989.68 : x
  2. Step 2: Convert to fraction form
    9,536.79/14,310.78 = 3,989.68/x
  3. Step 3: Cross multiply
    9,536.79x = 14,310.78 × 3,989.68
  4. Step 4: Simplify right side
    9,536.79x = 57,095,432.75
  5. Step 5: Solve for x
    x = 57,095,432.75/9,536.79
  6. Step 6: Final answer
    x = 5,986.86

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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.