Home / 14,543.42-20,069.90-8,255.79

Finding the Fourth Proportional to 14,543.42, 20,069.90 and 8,255.79

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Solution

The fourth proportional to 14,543.42, 20,069.90 and 8,255.79 is: 11,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.42 : 20,069.90 = 8,255.79 : x
  2. Step 2: Convert to fraction form
    14,543.42/20,069.90 = 8,255.79/x
  3. Step 3: Cross multiply
    14,543.42x = 20,069.90 × 8,255.79
  4. Step 4: Simplify right side
    14,543.42x = 165,692,892.62
  5. Step 5: Solve for x
    x = 165,692,892.62/14,543.42
  6. Step 6: Final answer
    x = 11,392.98

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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.