Home / 14,909.55-20,575.56-8,195.35

Finding the Fourth Proportional to 14,909.55, 20,575.56 and 8,195.35

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Solution

The fourth proportional to 14,909.55, 20,575.56 and 8,195.35 is: 11,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.55 : 20,575.56 = 8,195.35 : x
  2. Step 2: Convert to fraction form
    14,909.55/20,575.56 = 8,195.35/x
  3. Step 3: Cross multiply
    14,909.55x = 20,575.56 × 8,195.35
  4. Step 4: Simplify right side
    14,909.55x = 168,623,771.79
  5. Step 5: Solve for x
    x = 168,623,771.79/14,909.55
  6. Step 6: Final answer
    x = 11,309.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.