Home / 18,077.36-27,115.16-4,750.02

Finding the Fourth Proportional to 18,077.36, 27,115.16 and 4,750.02

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Solution

The fourth proportional to 18,077.36, 27,115.16 and 4,750.02 is: 7,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.36 : 27,115.16 = 4,750.02 : x
  2. Step 2: Convert to fraction form
    18,077.36/27,115.16 = 4,750.02/x
  3. Step 3: Cross multiply
    18,077.36x = 27,115.16 × 4,750.02
  4. Step 4: Simplify right side
    18,077.36x = 128,797,528.55
  5. Step 5: Solve for x
    x = 128,797,528.55/18,077.36
  6. Step 6: Final answer
    x = 7,124.80

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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.