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Finding the Fourth Proportional to 9,505.80, 14,226.30 and 8,339.40

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Solution

The fourth proportional to 9,505.80, 14,226.30 and 8,339.40 is: 12,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.80 : 14,226.30 = 8,339.40 : x
  2. Step 2: Convert to fraction form
    9,505.80/14,226.30 = 8,339.40/x
  3. Step 3: Cross multiply
    9,505.80x = 14,226.30 × 8,339.40
  4. Step 4: Simplify right side
    9,505.80x = 118,638,806.22
  5. Step 5: Solve for x
    x = 118,638,806.22/9,505.80
  6. Step 6: Final answer
    x = 12,480.68

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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.