Home / 11,166.61-15,411.82-6,453.62

Finding the Fourth Proportional to 11,166.61, 15,411.82 and 6,453.62

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Solution

The fourth proportional to 11,166.61, 15,411.82 and 6,453.62 is: 8,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.61 : 15,411.82 = 6,453.62 : x
  2. Step 2: Convert to fraction form
    11,166.61/15,411.82 = 6,453.62/x
  3. Step 3: Cross multiply
    11,166.61x = 15,411.82 × 6,453.62
  4. Step 4: Simplify right side
    11,166.61x = 99,462,093.18
  5. Step 5: Solve for x
    x = 99,462,093.18/11,166.61
  6. Step 6: Final answer
    x = 8,907.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.