Home / 12,335.90-18,513.58-4,550.18

Finding the Fourth Proportional to 12,335.90, 18,513.58 and 4,550.18

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Solution

The fourth proportional to 12,335.90, 18,513.58 and 4,550.18 is: 6,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.90 : 18,513.58 = 4,550.18 : x
  2. Step 2: Convert to fraction form
    12,335.90/18,513.58 = 4,550.18/x
  3. Step 3: Cross multiply
    12,335.90x = 18,513.58 × 4,550.18
  4. Step 4: Simplify right side
    12,335.90x = 84,240,121.44
  5. Step 5: Solve for x
    x = 84,240,121.44/12,335.90
  6. Step 6: Final answer
    x = 6,828.86

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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.