Home / 17,907.36-26,861.20-7,374.88

Finding the Fourth Proportional to 17,907.36, 26,861.20 and 7,374.88

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Solution

The fourth proportional to 17,907.36, 26,861.20 and 7,374.88 is: 11,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.36 : 26,861.20 = 7,374.88 : x
  2. Step 2: Convert to fraction form
    17,907.36/26,861.20 = 7,374.88/x
  3. Step 3: Cross multiply
    17,907.36x = 26,861.20 × 7,374.88
  4. Step 4: Simplify right side
    17,907.36x = 198,098,126.66
  5. Step 5: Solve for x
    x = 198,098,126.66/17,907.36
  6. Step 6: Final answer
    x = 11,062.39

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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.