Home / 13,719.77-18,932.30-8,054.75

Finding the Fourth Proportional to 13,719.77, 18,932.30 and 8,054.75

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Solution

The fourth proportional to 13,719.77, 18,932.30 and 8,054.75 is: 11,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.77 : 18,932.30 = 8,054.75 : x
  2. Step 2: Convert to fraction form
    13,719.77/18,932.30 = 8,054.75/x
  3. Step 3: Cross multiply
    13,719.77x = 18,932.30 × 8,054.75
  4. Step 4: Simplify right side
    13,719.77x = 152,494,808.49
  5. Step 5: Solve for x
    x = 152,494,808.49/13,719.77
  6. Step 6: Final answer
    x = 11,114.97

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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.