Home / 18,084.21-27,122.23-4,937.64

Finding the Fourth Proportional to 18,084.21, 27,122.23 and 4,937.64

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Solution

The fourth proportional to 18,084.21, 27,122.23 and 4,937.64 is: 7,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.21 : 27,122.23 = 4,937.64 : x
  2. Step 2: Convert to fraction form
    18,084.21/27,122.23 = 4,937.64/x
  3. Step 3: Cross multiply
    18,084.21x = 27,122.23 × 4,937.64
  4. Step 4: Simplify right side
    18,084.21x = 133,919,807.74
  5. Step 5: Solve for x
    x = 133,919,807.74/18,084.21
  6. Step 6: Final answer
    x = 7,405.34

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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.