Home / 11,026.63-15,219.15-6,781.34

Finding the Fourth Proportional to 11,026.63, 15,219.15 and 6,781.34

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Solution

The fourth proportional to 11,026.63, 15,219.15 and 6,781.34 is: 9,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.63 : 15,219.15 = 6,781.34 : x
  2. Step 2: Convert to fraction form
    11,026.63/15,219.15 = 6,781.34/x
  3. Step 3: Cross multiply
    11,026.63x = 15,219.15 × 6,781.34
  4. Step 4: Simplify right side
    11,026.63x = 103,206,294.14
  5. Step 5: Solve for x
    x = 103,206,294.14/11,026.63
  6. Step 6: Final answer
    x = 9,359.73

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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.