Home / 11,994.05-16,551.75-6,688.87

Finding the Fourth Proportional to 11,994.05, 16,551.75 and 6,688.87

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Solution

The fourth proportional to 11,994.05, 16,551.75 and 6,688.87 is: 9,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.05 : 16,551.75 = 6,688.87 : x
  2. Step 2: Convert to fraction form
    11,994.05/16,551.75 = 6,688.87/x
  3. Step 3: Cross multiply
    11,994.05x = 16,551.75 × 6,688.87
  4. Step 4: Simplify right side
    11,994.05x = 110,712,462.64
  5. Step 5: Solve for x
    x = 110,712,462.64/11,994.05
  6. Step 6: Final answer
    x = 9,230.62

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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.