Home / 11,340.20-17,009.10-3,548.60

Finding the Fourth Proportional to 11,340.20, 17,009.10 and 3,548.60

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Solution

The fourth proportional to 11,340.20, 17,009.10 and 3,548.60 is: 5,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.20 : 17,009.10 = 3,548.60 : x
  2. Step 2: Convert to fraction form
    11,340.20/17,009.10 = 3,548.60/x
  3. Step 3: Cross multiply
    11,340.20x = 17,009.10 × 3,548.60
  4. Step 4: Simplify right side
    11,340.20x = 60,358,492.26
  5. Step 5: Solve for x
    x = 60,358,492.26/11,340.20
  6. Step 6: Final answer
    x = 5,322.52

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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.