Home / 12,077.00-18,108.39-5,499.60

Finding the Fourth Proportional to 12,077.00, 18,108.39 and 5,499.60

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Solution

The fourth proportional to 12,077.00, 18,108.39 and 5,499.60 is: 8,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.00 : 18,108.39 = 5,499.60 : x
  2. Step 2: Convert to fraction form
    12,077.00/18,108.39 = 5,499.60/x
  3. Step 3: Cross multiply
    12,077.00x = 18,108.39 × 5,499.60
  4. Step 4: Simplify right side
    12,077.00x = 99,588,854.36
  5. Step 5: Solve for x
    x = 99,588,854.36/12,077.00
  6. Step 6: Final answer
    x = 8,246.16

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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.