Home / 18,426.75-25,429.10-10,043.43

Finding the Fourth Proportional to 18,426.75, 25,429.10 and 10,043.43

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Solution

The fourth proportional to 18,426.75, 25,429.10 and 10,043.43 is: 13,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.75 : 25,429.10 = 10,043.43 : x
  2. Step 2: Convert to fraction form
    18,426.75/25,429.10 = 10,043.43/x
  3. Step 3: Cross multiply
    18,426.75x = 25,429.10 × 10,043.43
  4. Step 4: Simplify right side
    18,426.75x = 255,395,385.81
  5. Step 5: Solve for x
    x = 255,395,385.81/18,426.75
  6. Step 6: Final answer
    x = 13,860.03

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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.