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Finding the Fourth Proportional to 12,396.58, 18,595.08 and 4,504.70

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Solution

The fourth proportional to 12,396.58, 18,595.08 and 4,504.70 is: 6,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.58 : 18,595.08 = 4,504.70 : x
  2. Step 2: Convert to fraction form
    12,396.58/18,595.08 = 4,504.70/x
  3. Step 3: Cross multiply
    12,396.58x = 18,595.08 × 4,504.70
  4. Step 4: Simplify right side
    12,396.58x = 83,765,256.88
  5. Step 5: Solve for x
    x = 83,765,256.88/12,396.58
  6. Step 6: Final answer
    x = 6,757.13

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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.