Home / 11,028.78-16,543.71-4,454.15

Finding the Fourth Proportional to 11,028.78, 16,543.71 and 4,454.15

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Solution

The fourth proportional to 11,028.78, 16,543.71 and 4,454.15 is: 6,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.78 : 16,543.71 = 4,454.15 : x
  2. Step 2: Convert to fraction form
    11,028.78/16,543.71 = 4,454.15/x
  3. Step 3: Cross multiply
    11,028.78x = 16,543.71 × 4,454.15
  4. Step 4: Simplify right side
    11,028.78x = 73,688,083.18
  5. Step 5: Solve for x
    x = 73,688,083.18/11,028.78
  6. Step 6: Final answer
    x = 6,681.44

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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.