Home / 11,748.23-17,602.86-8,456.39

Finding the Fourth Proportional to 11,748.23, 17,602.86 and 8,456.39

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Solution

The fourth proportional to 11,748.23, 17,602.86 and 8,456.39 is: 12,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.23 : 17,602.86 = 8,456.39 : x
  2. Step 2: Convert to fraction form
    11,748.23/17,602.86 = 8,456.39/x
  3. Step 3: Cross multiply
    11,748.23x = 17,602.86 × 8,456.39
  4. Step 4: Simplify right side
    11,748.23x = 148,856,649.28
  5. Step 5: Solve for x
    x = 148,856,649.28/11,748.23
  6. Step 6: Final answer
    x = 12,670.56

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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.