Home / 11,752.20-17,628.30-11,205.45

Finding the Fourth Proportional to 11,752.20, 17,628.30 and 11,205.45

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Solution

The fourth proportional to 11,752.20, 17,628.30 and 11,205.45 is: 16,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.20 : 17,628.30 = 11,205.45 : x
  2. Step 2: Convert to fraction form
    11,752.20/17,628.30 = 11,205.45/x
  3. Step 3: Cross multiply
    11,752.20x = 17,628.30 × 11,205.45
  4. Step 4: Simplify right side
    11,752.20x = 197,533,034.24
  5. Step 5: Solve for x
    x = 197,533,034.24/11,752.20
  6. Step 6: Final answer
    x = 16,808.18

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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.