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Finding the Fourth Proportional to 12,779.03, 17,635.46 and 6,958.53

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Solution

The fourth proportional to 12,779.03, 17,635.46 and 6,958.53 is: 9,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779.03 : 17,635.46 = 6,958.53 : x
  2. Step 2: Convert to fraction form
    12,779.03/17,635.46 = 6,958.53/x
  3. Step 3: Cross multiply
    12,779.03x = 17,635.46 × 6,958.53
  4. Step 4: Simplify right side
    12,779.03x = 122,716,754.50
  5. Step 5: Solve for x
    x = 122,716,754.50/12,779.03
  6. Step 6: Final answer
    x = 9,602.98

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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.