Home / 11,511.10-17,266.65-10,830.70

Finding the Fourth Proportional to 11,511.10, 17,266.65 and 10,830.70

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Solution

The fourth proportional to 11,511.10, 17,266.65 and 10,830.70 is: 16,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.10 : 17,266.65 = 10,830.70 : x
  2. Step 2: Convert to fraction form
    11,511.10/17,266.65 = 10,830.70/x
  3. Step 3: Cross multiply
    11,511.10x = 17,266.65 × 10,830.70
  4. Step 4: Simplify right side
    11,511.10x = 187,009,906.16
  5. Step 5: Solve for x
    x = 187,009,906.16/11,511.10
  6. Step 6: Final answer
    x = 16,246.05

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Similar ratio
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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.