Home / 20,466.36-30,699.54-13,539.24

Finding the Fourth Proportional to 20,466.36, 30,699.54 and 13,539.24

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Solution

The fourth proportional to 20,466.36, 30,699.54 and 13,539.24 is: 20,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.36 : 30,699.54 = 13,539.24 : x
  2. Step 2: Convert to fraction form
    20,466.36/30,699.54 = 13,539.24/x
  3. Step 3: Cross multiply
    20,466.36x = 30,699.54 × 13,539.24
  4. Step 4: Simplify right side
    20,466.36x = 415,648,439.95
  5. Step 5: Solve for x
    x = 415,648,439.95/20,466.36
  6. Step 6: Final answer
    x = 20,308.86

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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.