Home / 18,290.04-27,434.46-7,757.28

Finding the Fourth Proportional to 18,290.04, 27,434.46 and 7,757.28

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Solution

The fourth proportional to 18,290.04, 27,434.46 and 7,757.28 is: 11,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.04 : 27,434.46 = 7,757.28 : x
  2. Step 2: Convert to fraction form
    18,290.04/27,434.46 = 7,757.28/x
  3. Step 3: Cross multiply
    18,290.04x = 27,434.46 × 7,757.28
  4. Step 4: Simplify right side
    18,290.04x = 212,816,787.87
  5. Step 5: Solve for x
    x = 212,816,787.87/18,290.04
  6. Step 6: Final answer
    x = 11,635.67

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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.