Home / 11,080.40-16,588.20-9,784.40

Finding the Fourth Proportional to 11,080.40, 16,588.20 and 9,784.40

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Solution

The fourth proportional to 11,080.40, 16,588.20 and 9,784.40 is: 14,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.40 : 16,588.20 = 9,784.40 : x
  2. Step 2: Convert to fraction form
    11,080.40/16,588.20 = 9,784.40/x
  3. Step 3: Cross multiply
    11,080.40x = 16,588.20 × 9,784.40
  4. Step 4: Simplify right side
    11,080.40x = 162,305,584.08
  5. Step 5: Solve for x
    x = 162,305,584.08/11,080.40
  6. Step 6: Final answer
    x = 14,647.99

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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.