Home / 11,331.30-17,003.58-4,756.92

Finding the Fourth Proportional to 11,331.30, 17,003.58 and 4,756.92

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Solution

The fourth proportional to 11,331.30, 17,003.58 and 4,756.92 is: 7,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.30 : 17,003.58 = 4,756.92 : x
  2. Step 2: Convert to fraction form
    11,331.30/17,003.58 = 4,756.92/x
  3. Step 3: Cross multiply
    11,331.30x = 17,003.58 × 4,756.92
  4. Step 4: Simplify right side
    11,331.30x = 80,884,669.77
  5. Step 5: Solve for x
    x = 80,884,669.77/11,331.30
  6. Step 6: Final answer
    x = 7,138.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.