Home / 13,309.24-19,976.14-6,740.04

Finding the Fourth Proportional to 13,309.24, 19,976.14 and 6,740.04

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Solution

The fourth proportional to 13,309.24, 19,976.14 and 6,740.04 is: 10,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.24 : 19,976.14 = 6,740.04 : x
  2. Step 2: Convert to fraction form
    13,309.24/19,976.14 = 6,740.04/x
  3. Step 3: Cross multiply
    13,309.24x = 19,976.14 × 6,740.04
  4. Step 4: Simplify right side
    13,309.24x = 134,639,982.65
  5. Step 5: Solve for x
    x = 134,639,982.65/13,309.24
  6. Step 6: Final answer
    x = 10,116.28

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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.