Home / 11,492.05-15,858.43-6,456.48

Finding the Fourth Proportional to 11,492.05, 15,858.43 and 6,456.48

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Solution

The fourth proportional to 11,492.05, 15,858.43 and 6,456.48 is: 8,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.05 : 15,858.43 = 6,456.48 : x
  2. Step 2: Convert to fraction form
    11,492.05/15,858.43 = 6,456.48/x
  3. Step 3: Cross multiply
    11,492.05x = 15,858.43 × 6,456.48
  4. Step 4: Simplify right side
    11,492.05x = 102,389,636.13
  5. Step 5: Solve for x
    x = 102,389,636.13/11,492.05
  6. Step 6: Final answer
    x = 8,909.61

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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.