Home / 13,644.15-20,466.21-4,284.90

Finding the Fourth Proportional to 13,644.15, 20,466.21 and 4,284.90

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Solution

The fourth proportional to 13,644.15, 20,466.21 and 4,284.90 is: 6,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.15 : 20,466.21 = 4,284.90 : x
  2. Step 2: Convert to fraction form
    13,644.15/20,466.21 = 4,284.90/x
  3. Step 3: Cross multiply
    13,644.15x = 20,466.21 × 4,284.90
  4. Step 4: Simplify right side
    13,644.15x = 87,695,663.23
  5. Step 5: Solve for x
    x = 87,695,663.23/13,644.15
  6. Step 6: Final answer
    x = 6,427.35

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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.