Home / 13,453.98-20,181.05-4,688.85

Finding the Fourth Proportional to 13,453.98, 20,181.05 and 4,688.85

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Solution

The fourth proportional to 13,453.98, 20,181.05 and 4,688.85 is: 7,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.98 : 20,181.05 = 4,688.85 : x
  2. Step 2: Convert to fraction form
    13,453.98/20,181.05 = 4,688.85/x
  3. Step 3: Cross multiply
    13,453.98x = 20,181.05 × 4,688.85
  4. Step 4: Simplify right side
    13,453.98x = 94,625,892.85
  5. Step 5: Solve for x
    x = 94,625,892.85/13,453.98
  6. Step 6: Final answer
    x = 7,033.30

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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.