Home / 11,078.40-16,593.30-9,847.20

Finding the Fourth Proportional to 11,078.40, 16,593.30 and 9,847.20

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Solution

The fourth proportional to 11,078.40, 16,593.30 and 9,847.20 is: 14,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.40 : 16,593.30 = 9,847.20 : x
  2. Step 2: Convert to fraction form
    11,078.40/16,593.30 = 9,847.20/x
  3. Step 3: Cross multiply
    11,078.40x = 16,593.30 × 9,847.20
  4. Step 4: Simplify right side
    11,078.40x = 163,397,543.76
  5. Step 5: Solve for x
    x = 163,397,543.76/11,078.40
  6. Step 6: Final answer
    x = 14,749.20

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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.