Home / 13,285.72-19,928.62-7,366.24

Finding the Fourth Proportional to 13,285.72, 19,928.62 and 7,366.24

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Solution

The fourth proportional to 13,285.72, 19,928.62 and 7,366.24 is: 11,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.72 : 19,928.62 = 7,366.24 : x
  2. Step 2: Convert to fraction form
    13,285.72/19,928.62 = 7,366.24/x
  3. Step 3: Cross multiply
    13,285.72x = 19,928.62 × 7,366.24
  4. Step 4: Simplify right side
    13,285.72x = 146,798,997.79
  5. Step 5: Solve for x
    x = 146,798,997.79/13,285.72
  6. Step 6: Final answer
    x = 11,049.38

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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.