Home / 11,084.40-15,317.10-8,573.40

Finding the Fourth Proportional to 11,084.40, 15,317.10 and 8,573.40

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Solution

The fourth proportional to 11,084.40, 15,317.10 and 8,573.40 is: 11,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.40 : 15,317.10 = 8,573.40 : x
  2. Step 2: Convert to fraction form
    11,084.40/15,317.10 = 8,573.40/x
  3. Step 3: Cross multiply
    11,084.40x = 15,317.10 × 8,573.40
  4. Step 4: Simplify right side
    11,084.40x = 131,319,625.14
  5. Step 5: Solve for x
    x = 131,319,625.14/11,084.40
  6. Step 6: Final answer
    x = 11,847.25

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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.