Home / 14,007.04-20,977.44-7,757.92

Finding the Fourth Proportional to 14,007.04, 20,977.44 and 7,757.92

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Solution

The fourth proportional to 14,007.04, 20,977.44 and 7,757.92 is: 11,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.04 : 20,977.44 = 7,757.92 : x
  2. Step 2: Convert to fraction form
    14,007.04/20,977.44 = 7,757.92/x
  3. Step 3: Cross multiply
    14,007.04x = 20,977.44 × 7,757.92
  4. Step 4: Simplify right side
    14,007.04x = 162,741,301.32
  5. Step 5: Solve for x
    x = 162,741,301.32/14,007.04
  6. Step 6: Final answer
    x = 11,618.54

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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.