Home / 16,640.08-22,957.79-10,977.64

Finding the Fourth Proportional to 16,640.08, 22,957.79 and 10,977.64

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Solution

The fourth proportional to 16,640.08, 22,957.79 and 10,977.64 is: 15,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.08 : 22,957.79 = 10,977.64 : x
  2. Step 2: Convert to fraction form
    16,640.08/22,957.79 = 10,977.64/x
  3. Step 3: Cross multiply
    16,640.08x = 22,957.79 × 10,977.64
  4. Step 4: Simplify right side
    16,640.08x = 252,022,241.53
  5. Step 5: Solve for x
    x = 252,022,241.53/16,640.08
  6. Step 6: Final answer
    x = 15,145.50

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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.