Home / 13,285-19,923.45-6,709.42

Finding the Fourth Proportional to 13,285, 19,923.45 and 6,709.42

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Solution

The fourth proportional to 13,285, 19,923.45 and 6,709.42 is: 10,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285 : 19,923.45 = 6,709.42 : x
  2. Step 2: Convert to fraction form
    13,285/19,923.45 = 6,709.42/x
  3. Step 3: Cross multiply
    13,285x = 19,923.45 × 6,709.42
  4. Step 4: Simplify right side
    13,285x = 133,674,793.90
  5. Step 5: Solve for x
    x = 133,674,793.90/13,285
  6. Step 6: Final answer
    x = 10,062.08

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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.