Home / 10,921.08-16,381.99-3,022.94

Finding the Fourth Proportional to 10,921.08, 16,381.99 and 3,022.94

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Solution

The fourth proportional to 10,921.08, 16,381.99 and 3,022.94 is: 4,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.08 : 16,381.99 = 3,022.94 : x
  2. Step 2: Convert to fraction form
    10,921.08/16,381.99 = 3,022.94/x
  3. Step 3: Cross multiply
    10,921.08x = 16,381.99 × 3,022.94
  4. Step 4: Simplify right side
    10,921.08x = 49,521,690.94
  5. Step 5: Solve for x
    x = 49,521,690.94/10,921.08
  6. Step 6: Final answer
    x = 4,534.50

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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.