Home / 11,156.22-15,394.92-6,376.68

Finding the Fourth Proportional to 11,156.22, 15,394.92 and 6,376.68

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Solution

The fourth proportional to 11,156.22, 15,394.92 and 6,376.68 is: 8,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.22 : 15,394.92 = 6,376.68 : x
  2. Step 2: Convert to fraction form
    11,156.22/15,394.92 = 6,376.68/x
  3. Step 3: Cross multiply
    11,156.22x = 15,394.92 × 6,376.68
  4. Step 4: Simplify right side
    11,156.22x = 98,168,478.47
  5. Step 5: Solve for x
    x = 98,168,478.47/11,156.22
  6. Step 6: Final answer
    x = 8,799.44

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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.