Home / 18,318.02-27,477.02-6,628.50

Finding the Fourth Proportional to 18,318.02, 27,477.02 and 6,628.50

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Solution

The fourth proportional to 18,318.02, 27,477.02 and 6,628.50 is: 9,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.02 : 27,477.02 = 6,628.50 : x
  2. Step 2: Convert to fraction form
    18,318.02/27,477.02 = 6,628.50/x
  3. Step 3: Cross multiply
    18,318.02x = 27,477.02 × 6,628.50
  4. Step 4: Simplify right side
    18,318.02x = 182,131,427.07
  5. Step 5: Solve for x
    x = 182,131,427.07/18,318.02
  6. Step 6: Final answer
    x = 9,942.75

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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.