Home / 18,257.15-27,385.97-6,410.45

Finding the Fourth Proportional to 18,257.15, 27,385.97 and 6,410.45

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Solution

The fourth proportional to 18,257.15, 27,385.97 and 6,410.45 is: 9,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.15 : 27,385.97 = 6,410.45 : x
  2. Step 2: Convert to fraction form
    18,257.15/27,385.97 = 6,410.45/x
  3. Step 3: Cross multiply
    18,257.15x = 27,385.97 × 6,410.45
  4. Step 4: Simplify right side
    18,257.15x = 175,556,222.40
  5. Step 5: Solve for x
    x = 175,556,222.40/18,257.15
  6. Step 6: Final answer
    x = 9,615.75

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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.