Home / 14,737.08-20,338.14-8,449.56

Finding the Fourth Proportional to 14,737.08, 20,338.14 and 8,449.56

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Solution

The fourth proportional to 14,737.08, 20,338.14 and 8,449.56 is: 11,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,737.08 : 20,338.14 = 8,449.56 : x
  2. Step 2: Convert to fraction form
    14,737.08/20,338.14 = 8,449.56/x
  3. Step 3: Cross multiply
    14,737.08x = 20,338.14 × 8,449.56
  4. Step 4: Simplify right side
    14,737.08x = 171,848,334.22
  5. Step 5: Solve for x
    x = 171,848,334.22/14,737.08
  6. Step 6: Final answer
    x = 11,660.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.