Home / 11,622.96-17,402.49-8,116.47

Finding the Fourth Proportional to 11,622.96, 17,402.49 and 8,116.47

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Solution

The fourth proportional to 11,622.96, 17,402.49 and 8,116.47 is: 12,152.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.96 : 17,402.49 = 8,116.47 : x
  2. Step 2: Convert to fraction form
    11,622.96/17,402.49 = 8,116.47/x
  3. Step 3: Cross multiply
    11,622.96x = 17,402.49 × 8,116.47
  4. Step 4: Simplify right side
    11,622.96x = 141,246,788.01
  5. Step 5: Solve for x
    x = 141,246,788.01/11,622.96
  6. Step 6: Final answer
    x = 12,152.39

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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.