Home / 11,078.40-16,617.60-9,849.60

Finding the Fourth Proportional to 11,078.40, 16,617.60 and 9,849.60

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Solution

The fourth proportional to 11,078.40, 16,617.60 and 9,849.60 is: 14,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.40 : 16,617.60 = 9,849.60 : x
  2. Step 2: Convert to fraction form
    11,078.40/16,617.60 = 9,849.60/x
  3. Step 3: Cross multiply
    11,078.40x = 16,617.60 × 9,849.60
  4. Step 4: Simplify right side
    11,078.40x = 163,676,712.96
  5. Step 5: Solve for x
    x = 163,676,712.96/11,078.40
  6. Step 6: Final answer
    x = 14,774.40

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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.