Home / 14,011.68-21,015.84-3,623.04

Finding the Fourth Proportional to 14,011.68, 21,015.84 and 3,623.04

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Solution

The fourth proportional to 14,011.68, 21,015.84 and 3,623.04 is: 5,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.68 : 21,015.84 = 3,623.04 : x
  2. Step 2: Convert to fraction form
    14,011.68/21,015.84 = 3,623.04/x
  3. Step 3: Cross multiply
    14,011.68x = 21,015.84 × 3,623.04
  4. Step 4: Simplify right side
    14,011.68x = 76,141,228.95
  5. Step 5: Solve for x
    x = 76,141,228.95/14,011.68
  6. Step 6: Final answer
    x = 5,434.13

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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.