Home / 13,874.38-19,151.94-9,421.18

Finding the Fourth Proportional to 13,874.38, 19,151.94 and 9,421.18

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Solution

The fourth proportional to 13,874.38, 19,151.94 and 9,421.18 is: 13,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.38 : 19,151.94 = 9,421.18 : x
  2. Step 2: Convert to fraction form
    13,874.38/19,151.94 = 9,421.18/x
  3. Step 3: Cross multiply
    13,874.38x = 19,151.94 × 9,421.18
  4. Step 4: Simplify right side
    13,874.38x = 180,433,874.09
  5. Step 5: Solve for x
    x = 180,433,874.09/13,874.38
  6. Step 6: Final answer
    x = 13,004.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.