Home / 10,124.95-15,179.38-6,636.69

Finding the Fourth Proportional to 10,124.95, 15,179.38 and 6,636.69

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Solution

The fourth proportional to 10,124.95, 15,179.38 and 6,636.69 is: 9,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.95 : 15,179.38 = 6,636.69 : x
  2. Step 2: Convert to fraction form
    10,124.95/15,179.38 = 6,636.69/x
  3. Step 3: Cross multiply
    10,124.95x = 15,179.38 × 6,636.69
  4. Step 4: Simplify right side
    10,124.95x = 100,740,765.94
  5. Step 5: Solve for x
    x = 100,740,765.94/10,124.95
  6. Step 6: Final answer
    x = 9,949.75

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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.