Home / 11,980.44-18,002.52-6,437.88

Finding the Fourth Proportional to 11,980.44, 18,002.52 and 6,437.88

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Solution

The fourth proportional to 11,980.44, 18,002.52 and 6,437.88 is: 9,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.44 : 18,002.52 = 6,437.88 : x
  2. Step 2: Convert to fraction form
    11,980.44/18,002.52 = 6,437.88/x
  3. Step 3: Cross multiply
    11,980.44x = 18,002.52 × 6,437.88
  4. Step 4: Simplify right side
    11,980.44x = 115,898,063.46
  5. Step 5: Solve for x
    x = 115,898,063.46/11,980.44
  6. Step 6: Final answer
    x = 9,673.94

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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.