Home / 11,214.35-16,815.45-4,641.20

Finding the Fourth Proportional to 11,214.35, 16,815.45 and 4,641.20

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Solution

The fourth proportional to 11,214.35, 16,815.45 and 4,641.20 is: 6,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.35 : 16,815.45 = 4,641.20 : x
  2. Step 2: Convert to fraction form
    11,214.35/16,815.45 = 4,641.20/x
  3. Step 3: Cross multiply
    11,214.35x = 16,815.45 × 4,641.20
  4. Step 4: Simplify right side
    11,214.35x = 78,043,866.54
  5. Step 5: Solve for x
    x = 78,043,866.54/11,214.35
  6. Step 6: Final answer
    x = 6,959.29

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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.