Home / 13,753.99-20,634.02-4,989.59

Finding the Fourth Proportional to 13,753.99, 20,634.02 and 4,989.59

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Solution

The fourth proportional to 13,753.99, 20,634.02 and 4,989.59 is: 7,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.99 : 20,634.02 = 4,989.59 : x
  2. Step 2: Convert to fraction form
    13,753.99/20,634.02 = 4,989.59/x
  3. Step 3: Cross multiply
    13,753.99x = 20,634.02 × 4,989.59
  4. Step 4: Simplify right side
    13,753.99x = 102,955,299.85
  5. Step 5: Solve for x
    x = 102,955,299.85/13,753.99
  6. Step 6: Final answer
    x = 7,485.49

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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.