Home / 18,812.96-25,963.04-10,429.46

Finding the Fourth Proportional to 18,812.96, 25,963.04 and 10,429.46

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Solution

The fourth proportional to 18,812.96, 25,963.04 and 10,429.46 is: 14,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.96 : 25,963.04 = 10,429.46 : x
  2. Step 2: Convert to fraction form
    18,812.96/25,963.04 = 10,429.46/x
  3. Step 3: Cross multiply
    18,812.96x = 25,963.04 × 10,429.46
  4. Step 4: Simplify right side
    18,812.96x = 270,780,396.45
  5. Step 5: Solve for x
    x = 270,780,396.45/18,812.96
  6. Step 6: Final answer
    x = 14,393.29

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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.