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Finding the Fourth Proportional to 8,573.68, 11,837.22 and 7,675.84

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Solution

The fourth proportional to 8,573.68, 11,837.22 and 7,675.84 is: 10,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.68 : 11,837.22 = 7,675.84 : x
  2. Step 2: Convert to fraction form
    8,573.68/11,837.22 = 7,675.84/x
  3. Step 3: Cross multiply
    8,573.68x = 11,837.22 × 7,675.84
  4. Step 4: Simplify right side
    8,573.68x = 90,860,606.76
  5. Step 5: Solve for x
    x = 90,860,606.76/8,573.68
  6. Step 6: Final answer
    x = 10,597.62

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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.