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Finding the Fourth Proportional to 11,511, 17,276.22 and 4,585.50

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Solution

The fourth proportional to 11,511, 17,276.22 and 4,585.50 is: 6,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511 : 17,276.22 = 4,585.50 : x
  2. Step 2: Convert to fraction form
    11,511/17,276.22 = 4,585.50/x
  3. Step 3: Cross multiply
    11,511x = 17,276.22 × 4,585.50
  4. Step 4: Simplify right side
    11,511x = 79,220,106.81
  5. Step 5: Solve for x
    x = 79,220,106.81/11,511
  6. Step 6: Final answer
    x = 6,882.12

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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.