Home / 8,869.55-13,311.15-6,623.69

Finding the Fourth Proportional to 8,869.55, 13,311.15 and 6,623.69

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Solution

The fourth proportional to 8,869.55, 13,311.15 and 6,623.69 is: 9,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.55 : 13,311.15 = 6,623.69 : x
  2. Step 2: Convert to fraction form
    8,869.55/13,311.15 = 6,623.69/x
  3. Step 3: Cross multiply
    8,869.55x = 13,311.15 × 6,623.69
  4. Step 4: Simplify right side
    8,869.55x = 88,168,951.88
  5. Step 5: Solve for x
    x = 88,168,951.88/8,869.55
  6. Step 6: Final answer
    x = 9,940.63

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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.