Home / 8,115.51-12,173.18-4,416.90

Finding the Fourth Proportional to 8,115.51, 12,173.18 and 4,416.90

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Solution

The fourth proportional to 8,115.51, 12,173.18 and 4,416.90 is: 6,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.51 : 12,173.18 = 4,416.90 : x
  2. Step 2: Convert to fraction form
    8,115.51/12,173.18 = 4,416.90/x
  3. Step 3: Cross multiply
    8,115.51x = 12,173.18 × 4,416.90
  4. Step 4: Simplify right side
    8,115.51x = 53,767,696.66
  5. Step 5: Solve for x
    x = 53,767,696.66/8,115.51
  6. Step 6: Final answer
    x = 6,625.30

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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.