Home / 11,084.72-15,300.09-6,551.60

Finding the Fourth Proportional to 11,084.72, 15,300.09 and 6,551.60

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Solution

The fourth proportional to 11,084.72, 15,300.09 and 6,551.60 is: 9,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.72 : 15,300.09 = 6,551.60 : x
  2. Step 2: Convert to fraction form
    11,084.72/15,300.09 = 6,551.60/x
  3. Step 3: Cross multiply
    11,084.72x = 15,300.09 × 6,551.60
  4. Step 4: Simplify right side
    11,084.72x = 100,240,069.64
  5. Step 5: Solve for x
    x = 100,240,069.64/11,084.72
  6. Step 6: Final answer
    x = 9,043.09

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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.