Home / 14,567.42-20,103.18-8,279.84

Finding the Fourth Proportional to 14,567.42, 20,103.18 and 8,279.84

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Solution

The fourth proportional to 14,567.42, 20,103.18 and 8,279.84 is: 11,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.42 : 20,103.18 = 8,279.84 : x
  2. Step 2: Convert to fraction form
    14,567.42/20,103.18 = 8,279.84/x
  3. Step 3: Cross multiply
    14,567.42x = 20,103.18 × 8,279.84
  4. Step 4: Simplify right side
    14,567.42x = 166,451,113.89
  5. Step 5: Solve for x
    x = 166,451,113.89/14,567.42
  6. Step 6: Final answer
    x = 11,426.26

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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.