Home / 13,945.90-19,229.11-9,472.54

Finding the Fourth Proportional to 13,945.90, 19,229.11 and 9,472.54

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Solution

The fourth proportional to 13,945.90, 19,229.11 and 9,472.54 is: 13,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.90 : 19,229.11 = 9,472.54 : x
  2. Step 2: Convert to fraction form
    13,945.90/19,229.11 = 9,472.54/x
  3. Step 3: Cross multiply
    13,945.90x = 19,229.11 × 9,472.54
  4. Step 4: Simplify right side
    13,945.90x = 182,148,513.64
  5. Step 5: Solve for x
    x = 182,148,513.64/13,945.90
  6. Step 6: Final answer
    x = 13,061.08

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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.