Home / 11,689.30-16,130.76-6,584.69

Finding the Fourth Proportional to 11,689.30, 16,130.76 and 6,584.69

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Solution

The fourth proportional to 11,689.30, 16,130.76 and 6,584.69 is: 9,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.30 : 16,130.76 = 6,584.69 : x
  2. Step 2: Convert to fraction form
    11,689.30/16,130.76 = 6,584.69/x
  3. Step 3: Cross multiply
    11,689.30x = 16,130.76 × 6,584.69
  4. Step 4: Simplify right side
    11,689.30x = 106,216,106.74
  5. Step 5: Solve for x
    x = 106,216,106.74/11,689.30
  6. Step 6: Final answer
    x = 9,086.61

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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.