Home / 13,628.08-20,442.08-3,767.34

Finding the Fourth Proportional to 13,628.08, 20,442.08 and 3,767.34

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Solution

The fourth proportional to 13,628.08, 20,442.08 and 3,767.34 is: 5,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628.08 : 20,442.08 = 3,767.34 : x
  2. Step 2: Convert to fraction form
    13,628.08/20,442.08 = 3,767.34/x
  3. Step 3: Cross multiply
    13,628.08x = 20,442.08 × 3,767.34
  4. Step 4: Simplify right side
    13,628.08x = 77,012,265.67
  5. Step 5: Solve for x
    x = 77,012,265.67/13,628.08
  6. Step 6: Final answer
    x = 5,651.00

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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.