Home / 11,546.60-17,319.90-8,047.40

Finding the Fourth Proportional to 11,546.60, 17,319.90 and 8,047.40

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Solution

The fourth proportional to 11,546.60, 17,319.90 and 8,047.40 is: 12,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546.60 : 17,319.90 = 8,047.40 : x
  2. Step 2: Convert to fraction form
    11,546.60/17,319.90 = 8,047.40/x
  3. Step 3: Cross multiply
    11,546.60x = 17,319.90 × 8,047.40
  4. Step 4: Simplify right side
    11,546.60x = 139,380,163.26
  5. Step 5: Solve for x
    x = 139,380,163.26/11,546.60
  6. Step 6: Final answer
    x = 12,071.10

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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.