Home / 18,414.40-25,410.67-10,859.00

Finding the Fourth Proportional to 18,414.40, 25,410.67 and 10,859.00

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Solution

The fourth proportional to 18,414.40, 25,410.67 and 10,859.00 is: 14,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.40 : 25,410.67 = 10,859.00 : x
  2. Step 2: Convert to fraction form
    18,414.40/25,410.67 = 10,859.00/x
  3. Step 3: Cross multiply
    18,414.40x = 25,410.67 × 10,859.00
  4. Step 4: Simplify right side
    18,414.40x = 275,934,338.48
  5. Step 5: Solve for x
    x = 275,934,338.48/18,414.40
  6. Step 6: Final answer
    x = 14,984.71

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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.