Home / 14,988.60-20,684.94-8,617.25

Finding the Fourth Proportional to 14,988.60, 20,684.94 and 8,617.25

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Solution

The fourth proportional to 14,988.60, 20,684.94 and 8,617.25 is: 11,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.60 : 20,684.94 = 8,617.25 : x
  2. Step 2: Convert to fraction form
    14,988.60/20,684.94 = 8,617.25/x
  3. Step 3: Cross multiply
    14,988.60x = 20,684.94 × 8,617.25
  4. Step 4: Simplify right side
    14,988.60x = 178,247,350.93
  5. Step 5: Solve for x
    x = 178,247,350.93/14,988.60
  6. Step 6: Final answer
    x = 11,892.19

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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.