Home / 9,295.20-13,902.30-8,315.10

Finding the Fourth Proportional to 9,295.20, 13,902.30 and 8,315.10

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Solution

The fourth proportional to 9,295.20, 13,902.30 and 8,315.10 is: 12,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.20 : 13,902.30 = 8,315.10 : x
  2. Step 2: Convert to fraction form
    9,295.20/13,902.30 = 8,315.10/x
  3. Step 3: Cross multiply
    9,295.20x = 13,902.30 × 8,315.10
  4. Step 4: Simplify right side
    9,295.20x = 115,599,014.73
  5. Step 5: Solve for x
    x = 115,599,014.73/9,295.20
  6. Step 6: Final answer
    x = 12,436.42

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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.