Home / 13,252.40-18,290.04-8,550.36

Finding the Fourth Proportional to 13,252.40, 18,290.04 and 8,550.36

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Solution

The fourth proportional to 13,252.40, 18,290.04 and 8,550.36 is: 11,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.40 : 18,290.04 = 8,550.36 : x
  2. Step 2: Convert to fraction form
    13,252.40/18,290.04 = 8,550.36/x
  3. Step 3: Cross multiply
    13,252.40x = 18,290.04 × 8,550.36
  4. Step 4: Simplify right side
    13,252.40x = 156,386,426.41
  5. Step 5: Solve for x
    x = 156,386,426.41/13,252.40
  6. Step 6: Final answer
    x = 11,800.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.