Home / 20,614.79-30,920.62-6,574.25

Finding the Fourth Proportional to 20,614.79, 30,920.62 and 6,574.25

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Solution

The fourth proportional to 20,614.79, 30,920.62 and 6,574.25 is: 9,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.79 : 30,920.62 = 6,574.25 : x
  2. Step 2: Convert to fraction form
    20,614.79/30,920.62 = 6,574.25/x
  3. Step 3: Cross multiply
    20,614.79x = 30,920.62 × 6,574.25
  4. Step 4: Simplify right side
    20,614.79x = 203,279,715.00
  5. Step 5: Solve for x
    x = 203,279,715.00/20,614.79
  6. Step 6: Final answer
    x = 9,860.87

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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.