Home / 13,960.20-19,253.92-9,185.08

Finding the Fourth Proportional to 13,960.20, 19,253.92 and 9,185.08

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Solution

The fourth proportional to 13,960.20, 19,253.92 and 9,185.08 is: 12,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.20 : 19,253.92 = 9,185.08 : x
  2. Step 2: Convert to fraction form
    13,960.20/19,253.92 = 9,185.08/x
  3. Step 3: Cross multiply
    13,960.20x = 19,253.92 × 9,185.08
  4. Step 4: Simplify right side
    13,960.20x = 176,848,795.51
  5. Step 5: Solve for x
    x = 176,848,795.51/13,960.20
  6. Step 6: Final answer
    x = 12,668.07

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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.