Home / 18,384.90-27,577.32-7,996.64

Finding the Fourth Proportional to 18,384.90, 27,577.32 and 7,996.64

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Solution

The fourth proportional to 18,384.90, 27,577.32 and 7,996.64 is: 11,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.90 : 27,577.32 = 7,996.64 : x
  2. Step 2: Convert to fraction form
    18,384.90/27,577.32 = 7,996.64/x
  3. Step 3: Cross multiply
    18,384.90x = 27,577.32 × 7,996.64
  4. Step 4: Simplify right side
    18,384.90x = 220,525,900.20
  5. Step 5: Solve for x
    x = 220,525,900.20/18,384.90
  6. Step 6: Final answer
    x = 11,994.95

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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.