Home / 13,179.91-19,747.99-9,276.11

Finding the Fourth Proportional to 13,179.91, 19,747.99 and 9,276.11

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Solution

The fourth proportional to 13,179.91, 19,747.99 and 9,276.11 is: 13,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.91 : 19,747.99 = 9,276.11 : x
  2. Step 2: Convert to fraction form
    13,179.91/19,747.99 = 9,276.11/x
  3. Step 3: Cross multiply
    13,179.91x = 19,747.99 × 9,276.11
  4. Step 4: Simplify right side
    13,179.91x = 183,184,481.14
  5. Step 5: Solve for x
    x = 183,184,481.14/13,179.91
  6. Step 6: Final answer
    x = 13,898.77

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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.