Home / 11,655.07-16,084.41-6,619.15

Finding the Fourth Proportional to 11,655.07, 16,084.41 and 6,619.15

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Solution

The fourth proportional to 11,655.07, 16,084.41 and 6,619.15 is: 9,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.07 : 16,084.41 = 6,619.15 : x
  2. Step 2: Convert to fraction form
    11,655.07/16,084.41 = 6,619.15/x
  3. Step 3: Cross multiply
    11,655.07x = 16,084.41 × 6,619.15
  4. Step 4: Simplify right side
    11,655.07x = 106,465,122.45
  5. Step 5: Solve for x
    x = 106,465,122.45/11,655.07
  6. Step 6: Final answer
    x = 9,134.66

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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.