Home / 11,233.60-16,850.40-7,078.30

Finding the Fourth Proportional to 11,233.60, 16,850.40 and 7,078.30

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Solution

The fourth proportional to 11,233.60, 16,850.40 and 7,078.30 is: 10,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,233.60 : 16,850.40 = 7,078.30 : x
  2. Step 2: Convert to fraction form
    11,233.60/16,850.40 = 7,078.30/x
  3. Step 3: Cross multiply
    11,233.60x = 16,850.40 × 7,078.30
  4. Step 4: Simplify right side
    11,233.60x = 119,272,186.32
  5. Step 5: Solve for x
    x = 119,272,186.32/11,233.60
  6. Step 6: Final answer
    x = 10,617.45

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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.