Home / 11,994.28-16,551.54-6,616.89

Finding the Fourth Proportional to 11,994.28, 16,551.54 and 6,616.89

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Solution

The fourth proportional to 11,994.28, 16,551.54 and 6,616.89 is: 9,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.28 : 16,551.54 = 6,616.89 : x
  2. Step 2: Convert to fraction form
    11,994.28/16,551.54 = 6,616.89/x
  3. Step 3: Cross multiply
    11,994.28x = 16,551.54 × 6,616.89
  4. Step 4: Simplify right side
    11,994.28x = 109,519,719.51
  5. Step 5: Solve for x
    x = 109,519,719.51/11,994.28
  6. Step 6: Final answer
    x = 9,131.00

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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.