Home / 17,977.07-26,977.76-6,290.39

Finding the Fourth Proportional to 17,977.07, 26,977.76 and 6,290.39

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Solution

The fourth proportional to 17,977.07, 26,977.76 and 6,290.39 is: 9,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.07 : 26,977.76 = 6,290.39 : x
  2. Step 2: Convert to fraction form
    17,977.07/26,977.76 = 6,290.39/x
  3. Step 3: Cross multiply
    17,977.07x = 26,977.76 × 6,290.39
  4. Step 4: Simplify right side
    17,977.07x = 169,700,631.73
  5. Step 5: Solve for x
    x = 169,700,631.73/17,977.07
  6. Step 6: Final answer
    x = 9,439.84

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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.