Home / 18,654.02-27,984.06-5,507.72

Finding the Fourth Proportional to 18,654.02, 27,984.06 and 5,507.72

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Solution

The fourth proportional to 18,654.02, 27,984.06 and 5,507.72 is: 8,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.02 : 27,984.06 = 5,507.72 : x
  2. Step 2: Convert to fraction form
    18,654.02/27,984.06 = 5,507.72/x
  3. Step 3: Cross multiply
    18,654.02x = 27,984.06 × 5,507.72
  4. Step 4: Simplify right side
    18,654.02x = 154,128,227.02
  5. Step 5: Solve for x
    x = 154,128,227.02/18,654.02
  6. Step 6: Final answer
    x = 8,262.47

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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.