Home / 18,984.12-28,477.62-5,133

Finding the Fourth Proportional to 18,984.12, 28,477.62 and 5,133

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Solution

The fourth proportional to 18,984.12, 28,477.62 and 5,133 is: 7,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.12 : 28,477.62 = 5,133 : x
  2. Step 2: Convert to fraction form
    18,984.12/28,477.62 = 5,133/x
  3. Step 3: Cross multiply
    18,984.12x = 28,477.62 × 5,133
  4. Step 4: Simplify right side
    18,984.12x = 146,175,623.46
  5. Step 5: Solve for x
    x = 146,175,623.46/18,984.12
  6. Step 6: Final answer
    x = 7,699.89

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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.