Home / 9,689.20-14,539.20-4,141.60

Finding the Fourth Proportional to 9,689.20, 14,539.20 and 4,141.60

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Solution

The fourth proportional to 9,689.20, 14,539.20 and 4,141.60 is: 6,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.20 : 14,539.20 = 4,141.60 : x
  2. Step 2: Convert to fraction form
    9,689.20/14,539.20 = 4,141.60/x
  3. Step 3: Cross multiply
    9,689.20x = 14,539.20 × 4,141.60
  4. Step 4: Simplify right side
    9,689.20x = 60,215,550.72
  5. Step 5: Solve for x
    x = 60,215,550.72/9,689.20
  6. Step 6: Final answer
    x = 6,214.71

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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.