Home / 10,491.32-15,734.55-2,994.73

Finding the Fourth Proportional to 10,491.32, 15,734.55 and 2,994.73

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Solution

The fourth proportional to 10,491.32, 15,734.55 and 2,994.73 is: 4,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.32 : 15,734.55 = 2,994.73 : x
  2. Step 2: Convert to fraction form
    10,491.32/15,734.55 = 2,994.73/x
  3. Step 3: Cross multiply
    10,491.32x = 15,734.55 × 2,994.73
  4. Step 4: Simplify right side
    10,491.32x = 47,120,728.92
  5. Step 5: Solve for x
    x = 47,120,728.92/10,491.32
  6. Step 6: Final answer
    x = 4,491.40

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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.