Home / 15,407.44-21,262.27-8,694.49

Finding the Fourth Proportional to 15,407.44, 21,262.27 and 8,694.49

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Solution

The fourth proportional to 15,407.44, 21,262.27 and 8,694.49 is: 11,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.44 : 21,262.27 = 8,694.49 : x
  2. Step 2: Convert to fraction form
    15,407.44/21,262.27 = 8,694.49/x
  3. Step 3: Cross multiply
    15,407.44x = 21,262.27 × 8,694.49
  4. Step 4: Simplify right side
    15,407.44x = 184,864,599.62
  5. Step 5: Solve for x
    x = 184,864,599.62/15,407.44
  6. Step 6: Final answer
    x = 11,998.40

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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.