Home / 18,373.28-25,355.92-10,415.44

Finding the Fourth Proportional to 18,373.28, 25,355.92 and 10,415.44

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Solution

The fourth proportional to 18,373.28, 25,355.92 and 10,415.44 is: 14,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.28 : 25,355.92 = 10,415.44 : x
  2. Step 2: Convert to fraction form
    18,373.28/25,355.92 = 10,415.44/x
  3. Step 3: Cross multiply
    18,373.28x = 25,355.92 × 10,415.44
  4. Step 4: Simplify right side
    18,373.28x = 264,093,063.40
  5. Step 5: Solve for x
    x = 264,093,063.40/18,373.28
  6. Step 6: Final answer
    x = 14,373.76

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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.