Home / 11,402.16-17,109.11-8,627.91

Finding the Fourth Proportional to 11,402.16, 17,109.11 and 8,627.91

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Solution

The fourth proportional to 11,402.16, 17,109.11 and 8,627.91 is: 12,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.16 : 17,109.11 = 8,627.91 : x
  2. Step 2: Convert to fraction form
    11,402.16/17,109.11 = 8,627.91/x
  3. Step 3: Cross multiply
    11,402.16x = 17,109.11 × 8,627.91
  4. Step 4: Simplify right side
    11,402.16x = 147,615,861.26
  5. Step 5: Solve for x
    x = 147,615,861.26/11,402.16
  6. Step 6: Final answer
    x = 12,946.31

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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.