Home / 18,207.36-27,311.58-7,113.60

Finding the Fourth Proportional to 18,207.36, 27,311.58 and 7,113.60

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Solution

The fourth proportional to 18,207.36, 27,311.58 and 7,113.60 is: 10,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.36 : 27,311.58 = 7,113.60 : x
  2. Step 2: Convert to fraction form
    18,207.36/27,311.58 = 7,113.60/x
  3. Step 3: Cross multiply
    18,207.36x = 27,311.58 × 7,113.60
  4. Step 4: Simplify right side
    18,207.36x = 194,283,655.49
  5. Step 5: Solve for x
    x = 194,283,655.49/18,207.36
  6. Step 6: Final answer
    x = 10,670.61

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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.