Home / 18,123.06-27,184.65-4,975.56

Finding the Fourth Proportional to 18,123.06, 27,184.65 and 4,975.56

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Solution

The fourth proportional to 18,123.06, 27,184.65 and 4,975.56 is: 7,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.06 : 27,184.65 = 4,975.56 : x
  2. Step 2: Convert to fraction form
    18,123.06/27,184.65 = 4,975.56/x
  3. Step 3: Cross multiply
    18,123.06x = 27,184.65 × 4,975.56
  4. Step 4: Simplify right side
    18,123.06x = 135,258,857.15
  5. Step 5: Solve for x
    x = 135,258,857.15/18,123.06
  6. Step 6: Final answer
    x = 7,463.36

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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.