Home / 12,249.10-16,903.89-6,660.10

Finding the Fourth Proportional to 12,249.10, 16,903.89 and 6,660.10

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Solution

The fourth proportional to 12,249.10, 16,903.89 and 6,660.10 is: 9,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.10 : 16,903.89 = 6,660.10 : x
  2. Step 2: Convert to fraction form
    12,249.10/16,903.89 = 6,660.10/x
  3. Step 3: Cross multiply
    12,249.10x = 16,903.89 × 6,660.10
  4. Step 4: Simplify right side
    12,249.10x = 112,581,597.79
  5. Step 5: Solve for x
    x = 112,581,597.79/12,249.10
  6. Step 6: Final answer
    x = 9,191.01

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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.