Home / 11,007.39-15,190.20-6,291.77

Finding the Fourth Proportional to 11,007.39, 15,190.20 and 6,291.77

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Solution

The fourth proportional to 11,007.39, 15,190.20 and 6,291.77 is: 8,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.39 : 15,190.20 = 6,291.77 : x
  2. Step 2: Convert to fraction form
    11,007.39/15,190.20 = 6,291.77/x
  3. Step 3: Cross multiply
    11,007.39x = 15,190.20 × 6,291.77
  4. Step 4: Simplify right side
    11,007.39x = 95,573,282.63
  5. Step 5: Solve for x
    x = 95,573,282.63/11,007.39
  6. Step 6: Final answer
    x = 8,682.65

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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.