Home / 10,994.91-16,500.47-4,421.49

Finding the Fourth Proportional to 10,994.91, 16,500.47 and 4,421.49

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Solution

The fourth proportional to 10,994.91, 16,500.47 and 4,421.49 is: 6,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.91 : 16,500.47 = 4,421.49 : x
  2. Step 2: Convert to fraction form
    10,994.91/16,500.47 = 4,421.49/x
  3. Step 3: Cross multiply
    10,994.91x = 16,500.47 × 4,421.49
  4. Step 4: Simplify right side
    10,994.91x = 72,956,640.99
  5. Step 5: Solve for x
    x = 72,956,640.99/10,994.91
  6. Step 6: Final answer
    x = 6,635.49

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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.