Home / 11,416.40-17,124.60-9,666.80

Finding the Fourth Proportional to 11,416.40, 17,124.60 and 9,666.80

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Solution

The fourth proportional to 11,416.40, 17,124.60 and 9,666.80 is: 14,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.40 : 17,124.60 = 9,666.80 : x
  2. Step 2: Convert to fraction form
    11,416.40/17,124.60 = 9,666.80/x
  3. Step 3: Cross multiply
    11,416.40x = 17,124.60 × 9,666.80
  4. Step 4: Simplify right side
    11,416.40x = 165,540,083.28
  5. Step 5: Solve for x
    x = 165,540,083.28/11,416.40
  6. Step 6: Final answer
    x = 14,500.20

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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.