Home / 11,613.90-16,027.20-6,308.64

Finding the Fourth Proportional to 11,613.90, 16,027.20 and 6,308.64

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Solution

The fourth proportional to 11,613.90, 16,027.20 and 6,308.64 is: 8,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.90 : 16,027.20 = 6,308.64 : x
  2. Step 2: Convert to fraction form
    11,613.90/16,027.20 = 6,308.64/x
  3. Step 3: Cross multiply
    11,613.90x = 16,027.20 × 6,308.64
  4. Step 4: Simplify right side
    11,613.90x = 101,109,835.01
  5. Step 5: Solve for x
    x = 101,109,835.01/11,613.90
  6. Step 6: Final answer
    x = 8,705.93

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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.