Home / 7,163.76-10,693.29-6,636.15

Finding the Fourth Proportional to 7,163.76, 10,693.29 and 6,636.15

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Solution

The fourth proportional to 7,163.76, 10,693.29 and 6,636.15 is: 9,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.76 : 10,693.29 = 6,636.15 : x
  2. Step 2: Convert to fraction form
    7,163.76/10,693.29 = 6,636.15/x
  3. Step 3: Cross multiply
    7,163.76x = 10,693.29 × 6,636.15
  4. Step 4: Simplify right side
    7,163.76x = 70,962,276.43
  5. Step 5: Solve for x
    x = 70,962,276.43/7,163.76
  6. Step 6: Final answer
    x = 9,905.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.