Home / 11,911.68-16,439.04-6,606.99

Finding the Fourth Proportional to 11,911.68, 16,439.04 and 6,606.99

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Solution

The fourth proportional to 11,911.68, 16,439.04 and 6,606.99 is: 9,118.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.68 : 16,439.04 = 6,606.99 : x
  2. Step 2: Convert to fraction form
    11,911.68/16,439.04 = 6,606.99/x
  3. Step 3: Cross multiply
    11,911.68x = 16,439.04 × 6,606.99
  4. Step 4: Simplify right side
    11,911.68x = 108,612,572.89
  5. Step 5: Solve for x
    x = 108,612,572.89/11,911.68
  6. Step 6: Final answer
    x = 9,118.16

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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.