Home / 18,130.60-27,191.58-4,983.96

Finding the Fourth Proportional to 18,130.60, 27,191.58 and 4,983.96

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Solution

The fourth proportional to 18,130.60, 27,191.58 and 4,983.96 is: 7,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.60 : 27,191.58 = 4,983.96 : x
  2. Step 2: Convert to fraction form
    18,130.60/27,191.58 = 4,983.96/x
  3. Step 3: Cross multiply
    18,130.60x = 27,191.58 × 4,983.96
  4. Step 4: Simplify right side
    18,130.60x = 135,521,747.06
  5. Step 5: Solve for x
    x = 135,521,747.06/18,130.60
  6. Step 6: Final answer
    x = 7,474.75

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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.