Home / 18,784.04-28,177.66-4,933

Finding the Fourth Proportional to 18,784.04, 28,177.66 and 4,933

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Solution

The fourth proportional to 18,784.04, 28,177.66 and 4,933 is: 7,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.04 : 28,177.66 = 4,933 : x
  2. Step 2: Convert to fraction form
    18,784.04/28,177.66 = 4,933/x
  3. Step 3: Cross multiply
    18,784.04x = 28,177.66 × 4,933
  4. Step 4: Simplify right side
    18,784.04x = 139,000,396.78
  5. Step 5: Solve for x
    x = 139,000,396.78/18,784.04
  6. Step 6: Final answer
    x = 7,399.92

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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.