Home / 11,325.64-15,629.40-6,610.20

Finding the Fourth Proportional to 11,325.64, 15,629.40 and 6,610.20

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Solution

The fourth proportional to 11,325.64, 15,629.40 and 6,610.20 is: 9,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.64 : 15,629.40 = 6,610.20 : x
  2. Step 2: Convert to fraction form
    11,325.64/15,629.40 = 6,610.20/x
  3. Step 3: Cross multiply
    11,325.64x = 15,629.40 × 6,610.20
  4. Step 4: Simplify right side
    11,325.64x = 103,313,459.88
  5. Step 5: Solve for x
    x = 103,313,459.88/11,325.64
  6. Step 6: Final answer
    x = 9,122.09

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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.