Home / 17,517.96-26,278.60-6,985.44

Finding the Fourth Proportional to 17,517.96, 26,278.60 and 6,985.44

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Solution

The fourth proportional to 17,517.96, 26,278.60 and 6,985.44 is: 10,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,517.96 : 26,278.60 = 6,985.44 : x
  2. Step 2: Convert to fraction form
    17,517.96/26,278.60 = 6,985.44/x
  3. Step 3: Cross multiply
    17,517.96x = 26,278.60 × 6,985.44
  4. Step 4: Simplify right side
    17,517.96x = 183,567,583.58
  5. Step 5: Solve for x
    x = 183,567,583.58/17,517.96
  6. Step 6: Final answer
    x = 10,478.82

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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.