Home / 13,209.57-19,814.35-4,450.63

Finding the Fourth Proportional to 13,209.57, 19,814.35 and 4,450.63

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Solution

The fourth proportional to 13,209.57, 19,814.35 and 4,450.63 is: 6,675.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.57 : 19,814.35 = 4,450.63 : x
  2. Step 2: Convert to fraction form
    13,209.57/19,814.35 = 4,450.63/x
  3. Step 3: Cross multiply
    13,209.57x = 19,814.35 × 4,450.63
  4. Step 4: Simplify right side
    13,209.57x = 88,186,340.54
  5. Step 5: Solve for x
    x = 88,186,340.54/13,209.57
  6. Step 6: Final answer
    x = 6,675.94

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Half scale
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Double scale
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Similar ratio
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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.