Home / 9,175.64-12,669.50-5,989.91

Finding the Fourth Proportional to 9,175.64, 12,669.50 and 5,989.91

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Solution

The fourth proportional to 9,175.64, 12,669.50 and 5,989.91 is: 8,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.64 : 12,669.50 = 5,989.91 : x
  2. Step 2: Convert to fraction form
    9,175.64/12,669.50 = 5,989.91/x
  3. Step 3: Cross multiply
    9,175.64x = 12,669.50 × 5,989.91
  4. Step 4: Simplify right side
    9,175.64x = 75,889,134.80
  5. Step 5: Solve for x
    x = 75,889,134.80/9,175.64
  6. Step 6: Final answer
    x = 8,270.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.