Home / 11,132.40-16,662.15-8,653.80

Finding the Fourth Proportional to 11,132.40, 16,662.15 and 8,653.80

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Solution

The fourth proportional to 11,132.40, 16,662.15 and 8,653.80 is: 12,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.40 : 16,662.15 = 8,653.80 : x
  2. Step 2: Convert to fraction form
    11,132.40/16,662.15 = 8,653.80/x
  3. Step 3: Cross multiply
    11,132.40x = 16,662.15 × 8,653.80
  4. Step 4: Simplify right side
    11,132.40x = 144,190,913.67
  5. Step 5: Solve for x
    x = 144,190,913.67/11,132.40
  6. Step 6: Final answer
    x = 12,952.37

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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.