Home / 11,877.21-17,804.61-4,080.55

Finding the Fourth Proportional to 11,877.21, 17,804.61 and 4,080.55

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Solution

The fourth proportional to 11,877.21, 17,804.61 and 4,080.55 is: 6,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.21 : 17,804.61 = 4,080.55 : x
  2. Step 2: Convert to fraction form
    11,877.21/17,804.61 = 4,080.55/x
  3. Step 3: Cross multiply
    11,877.21x = 17,804.61 × 4,080.55
  4. Step 4: Simplify right side
    11,877.21x = 72,652,601.34
  5. Step 5: Solve for x
    x = 72,652,601.34/11,877.21
  6. Step 6: Final answer
    x = 6,116.98

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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.