Home / 13,753.99-20,630.76-4,393.94

Finding the Fourth Proportional to 13,753.99, 20,630.76 and 4,393.94

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Solution

The fourth proportional to 13,753.99, 20,630.76 and 4,393.94 is: 6,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.99 : 20,630.76 = 4,393.94 : x
  2. Step 2: Convert to fraction form
    13,753.99/20,630.76 = 4,393.94/x
  3. Step 3: Cross multiply
    13,753.99x = 20,630.76 × 4,393.94
  4. Step 4: Simplify right side
    13,753.99x = 90,650,299.62
  5. Step 5: Solve for x
    x = 90,650,299.62/13,753.99
  6. Step 6: Final answer
    x = 6,590.84

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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.