Home / 18,774.84-28,167.57-9,403.54

Finding the Fourth Proportional to 18,774.84, 28,167.57 and 9,403.54

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Solution

The fourth proportional to 18,774.84, 28,167.57 and 9,403.54 is: 14,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.84 : 28,167.57 = 9,403.54 : x
  2. Step 2: Convert to fraction form
    18,774.84/28,167.57 = 9,403.54/x
  3. Step 3: Cross multiply
    18,774.84x = 28,167.57 × 9,403.54
  4. Step 4: Simplify right side
    18,774.84x = 264,874,871.20
  5. Step 5: Solve for x
    x = 264,874,871.20/18,774.84
  6. Step 6: Final answer
    x = 14,107.97

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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.