Home / 13,958.30-19,265.49-8,585.35

Finding the Fourth Proportional to 13,958.30, 19,265.49 and 8,585.35

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Solution

The fourth proportional to 13,958.30, 19,265.49 and 8,585.35 is: 11,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.30 : 19,265.49 = 8,585.35 : x
  2. Step 2: Convert to fraction form
    13,958.30/19,265.49 = 8,585.35/x
  3. Step 3: Cross multiply
    13,958.30x = 19,265.49 × 8,585.35
  4. Step 4: Simplify right side
    13,958.30x = 165,401,018.68
  5. Step 5: Solve for x
    x = 165,401,018.68/13,958.30
  6. Step 6: Final answer
    x = 11,849.66

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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.