Home / 15,007.91-22,511.88-3,914.59

Finding the Fourth Proportional to 15,007.91, 22,511.88 and 3,914.59

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Solution

The fourth proportional to 15,007.91, 22,511.88 and 3,914.59 is: 5,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.91 : 22,511.88 = 3,914.59 : x
  2. Step 2: Convert to fraction form
    15,007.91/22,511.88 = 3,914.59/x
  3. Step 3: Cross multiply
    15,007.91x = 22,511.88 × 3,914.59
  4. Step 4: Simplify right side
    15,007.91x = 88,124,780.33
  5. Step 5: Solve for x
    x = 88,124,780.33/15,007.91
  6. Step 6: Final answer
    x = 5,871.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.