Home / 20,606.85-30,909.94-6,566.69

Finding the Fourth Proportional to 20,606.85, 30,909.94 and 6,566.69

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Solution

The fourth proportional to 20,606.85, 30,909.94 and 6,566.69 is: 9,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,606.85 : 30,909.94 = 6,566.69 : x
  2. Step 2: Convert to fraction form
    20,606.85/30,909.94 = 6,566.69/x
  3. Step 3: Cross multiply
    20,606.85x = 30,909.94 × 6,566.69
  4. Step 4: Simplify right side
    20,606.85x = 202,975,899.36
  5. Step 5: Solve for x
    x = 202,975,899.36/20,606.85
  6. Step 6: Final answer
    x = 9,849.92

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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.