Home / 13,560.21-20,307.24-9,388.44

Finding the Fourth Proportional to 13,560.21, 20,307.24 and 9,388.44

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Solution

The fourth proportional to 13,560.21, 20,307.24 and 9,388.44 is: 14,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.21 : 20,307.24 = 9,388.44 : x
  2. Step 2: Convert to fraction form
    13,560.21/20,307.24 = 9,388.44/x
  3. Step 3: Cross multiply
    13,560.21x = 20,307.24 × 9,388.44
  4. Step 4: Simplify right side
    13,560.21x = 190,653,304.31
  5. Step 5: Solve for x
    x = 190,653,304.31/13,560.21
  6. Step 6: Final answer
    x = 14,059.76

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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.