Home / 10,008.05-15,012.92-2,987.61

Finding the Fourth Proportional to 10,008.05, 15,012.92 and 2,987.61

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Solution

The fourth proportional to 10,008.05, 15,012.92 and 2,987.61 is: 4,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.05 : 15,012.92 = 2,987.61 : x
  2. Step 2: Convert to fraction form
    10,008.05/15,012.92 = 2,987.61/x
  3. Step 3: Cross multiply
    10,008.05x = 15,012.92 × 2,987.61
  4. Step 4: Simplify right side
    10,008.05x = 44,852,734.98
  5. Step 5: Solve for x
    x = 44,852,734.98/10,008.05
  6. Step 6: Final answer
    x = 4,481.67

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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.