Home / 18,306.15-27,464.39-5,158.64

Finding the Fourth Proportional to 18,306.15, 27,464.39 and 5,158.64

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Solution

The fourth proportional to 18,306.15, 27,464.39 and 5,158.64 is: 7,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.15 : 27,464.39 = 5,158.64 : x
  2. Step 2: Convert to fraction form
    18,306.15/27,464.39 = 5,158.64/x
  3. Step 3: Cross multiply
    18,306.15x = 27,464.39 × 5,158.64
  4. Step 4: Simplify right side
    18,306.15x = 141,678,737.71
  5. Step 5: Solve for x
    x = 141,678,737.71/18,306.15
  6. Step 6: Final answer
    x = 7,739.41

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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.