Home / 11,184.35-16,782.60-4,611.20

Finding the Fourth Proportional to 11,184.35, 16,782.60 and 4,611.20

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Solution

The fourth proportional to 11,184.35, 16,782.60 and 4,611.20 is: 6,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.35 : 16,782.60 = 4,611.20 : x
  2. Step 2: Convert to fraction form
    11,184.35/16,782.60 = 4,611.20/x
  3. Step 3: Cross multiply
    11,184.35x = 16,782.60 × 4,611.20
  4. Step 4: Simplify right side
    11,184.35x = 77,387,925.12
  5. Step 5: Solve for x
    x = 77,387,925.12/11,184.35
  6. Step 6: Final answer
    x = 6,919.30

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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.