Home / 18,089.85-27,130.41-4,942.29

Finding the Fourth Proportional to 18,089.85, 27,130.41 and 4,942.29

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Solution

The fourth proportional to 18,089.85, 27,130.41 and 4,942.29 is: 7,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.85 : 27,130.41 = 4,942.29 : x
  2. Step 2: Convert to fraction form
    18,089.85/27,130.41 = 4,942.29/x
  3. Step 3: Cross multiply
    18,089.85x = 27,130.41 × 4,942.29
  4. Step 4: Simplify right side
    18,089.85x = 134,086,354.04
  5. Step 5: Solve for x
    x = 134,086,354.04/18,089.85
  6. Step 6: Final answer
    x = 7,412.24

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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.