Home / 14,636.90-20,197.65-8,667.61

Finding the Fourth Proportional to 14,636.90, 20,197.65 and 8,667.61

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Solution

The fourth proportional to 14,636.90, 20,197.65 and 8,667.61 is: 11,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.90 : 20,197.65 = 8,667.61 : x
  2. Step 2: Convert to fraction form
    14,636.90/20,197.65 = 8,667.61/x
  3. Step 3: Cross multiply
    14,636.90x = 20,197.65 × 8,667.61
  4. Step 4: Simplify right side
    14,636.90x = 175,065,335.13
  5. Step 5: Solve for x
    x = 175,065,335.13/14,636.90
  6. Step 6: Final answer
    x = 11,960.55

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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.