Home / 13,635.83-20,451.47-3,776.11

Finding the Fourth Proportional to 13,635.83, 20,451.47 and 3,776.11

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Solution

The fourth proportional to 13,635.83, 20,451.47 and 3,776.11 is: 5,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.83 : 20,451.47 = 3,776.11 : x
  2. Step 2: Convert to fraction form
    13,635.83/20,451.47 = 3,776.11/x
  3. Step 3: Cross multiply
    13,635.83x = 20,451.47 × 3,776.11
  4. Step 4: Simplify right side
    13,635.83x = 77,226,930.37
  5. Step 5: Solve for x
    x = 77,226,930.37/13,635.83
  6. Step 6: Final answer
    x = 5,663.53

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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.