Home / 11,624.90-16,042.40-6,319.71

Finding the Fourth Proportional to 11,624.90, 16,042.40 and 6,319.71

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Solution

The fourth proportional to 11,624.90, 16,042.40 and 6,319.71 is: 8,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.90 : 16,042.40 = 6,319.71 : x
  2. Step 2: Convert to fraction form
    11,624.90/16,042.40 = 6,319.71/x
  3. Step 3: Cross multiply
    11,624.90x = 16,042.40 × 6,319.71
  4. Step 4: Simplify right side
    11,624.90x = 101,383,315.70
  5. Step 5: Solve for x
    x = 101,383,315.70/11,624.90
  6. Step 6: Final answer
    x = 8,721.22

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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.