Home / 18,834.36-28,251.72-4,983.36

Finding the Fourth Proportional to 18,834.36, 28,251.72 and 4,983.36

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Solution

The fourth proportional to 18,834.36, 28,251.72 and 4,983.36 is: 7,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.36 : 28,251.72 = 4,983.36 : x
  2. Step 2: Convert to fraction form
    18,834.36/28,251.72 = 4,983.36/x
  3. Step 3: Cross multiply
    18,834.36x = 28,251.72 × 4,983.36
  4. Step 4: Simplify right side
    18,834.36x = 140,788,491.38
  5. Step 5: Solve for x
    x = 140,788,491.38/18,834.36
  6. Step 6: Final answer
    x = 7,475.09

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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.