Home / 11,955.12-16,497.84-6,649.89

Finding the Fourth Proportional to 11,955.12, 16,497.84 and 6,649.89

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Solution

The fourth proportional to 11,955.12, 16,497.84 and 6,649.89 is: 9,176.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.12 : 16,497.84 = 6,649.89 : x
  2. Step 2: Convert to fraction form
    11,955.12/16,497.84 = 6,649.89/x
  3. Step 3: Cross multiply
    11,955.12x = 16,497.84 × 6,649.89
  4. Step 4: Simplify right side
    11,955.12x = 109,708,821.24
  5. Step 5: Solve for x
    x = 109,708,821.24/11,955.12
  6. Step 6: Final answer
    x = 9,176.72

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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.