Home / 18,298.90-27,415.92-8,417.44

Finding the Fourth Proportional to 18,298.90, 27,415.92 and 8,417.44

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Solution

The fourth proportional to 18,298.90, 27,415.92 and 8,417.44 is: 12,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.90 : 27,415.92 = 8,417.44 : x
  2. Step 2: Convert to fraction form
    18,298.90/27,415.92 = 8,417.44/x
  3. Step 3: Cross multiply
    18,298.90x = 27,415.92 × 8,417.44
  4. Step 4: Simplify right side
    18,298.90x = 230,771,861.64
  5. Step 5: Solve for x
    x = 230,771,861.64/18,298.90
  6. Step 6: Final answer
    x = 12,611.24

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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.