Home / 9,405.80-14,113.20-6,287.30

Finding the Fourth Proportional to 9,405.80, 14,113.20 and 6,287.30

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Solution

The fourth proportional to 9,405.80, 14,113.20 and 6,287.30 is: 9,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.80 : 14,113.20 = 6,287.30 : x
  2. Step 2: Convert to fraction form
    9,405.80/14,113.20 = 6,287.30/x
  3. Step 3: Cross multiply
    9,405.80x = 14,113.20 × 6,287.30
  4. Step 4: Simplify right side
    9,405.80x = 88,733,922.36
  5. Step 5: Solve for x
    x = 88,733,922.36/9,405.80
  6. Step 6: Final answer
    x = 9,433.96

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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.