Home / 11,959.72-16,504.64-6,655.04

Finding the Fourth Proportional to 11,959.72, 16,504.64 and 6,655.04

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Solution

The fourth proportional to 11,959.72, 16,504.64 and 6,655.04 is: 9,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.72 : 16,504.64 = 6,655.04 : x
  2. Step 2: Convert to fraction form
    11,959.72/16,504.64 = 6,655.04/x
  3. Step 3: Cross multiply
    11,959.72x = 16,504.64 × 6,655.04
  4. Step 4: Simplify right side
    11,959.72x = 109,839,039.39
  5. Step 5: Solve for x
    x = 109,839,039.39/11,959.72
  6. Step 6: Final answer
    x = 9,184.08

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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.