Home / 11,178.96-16,771.47-9,954.87

Finding the Fourth Proportional to 11,178.96, 16,771.47 and 9,954.87

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Solution

The fourth proportional to 11,178.96, 16,771.47 and 9,954.87 is: 14,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.96 : 16,771.47 = 9,954.87 : x
  2. Step 2: Convert to fraction form
    11,178.96/16,771.47 = 9,954.87/x
  3. Step 3: Cross multiply
    11,178.96x = 16,771.47 × 9,954.87
  4. Step 4: Simplify right side
    11,178.96x = 166,957,803.56
  5. Step 5: Solve for x
    x = 166,957,803.56/11,178.96
  6. Step 6: Final answer
    x = 14,935.00

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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.