Home / 14,382.28-21,572.70-3,994.12

Finding the Fourth Proportional to 14,382.28, 21,572.70 and 3,994.12

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Solution

The fourth proportional to 14,382.28, 21,572.70 and 3,994.12 is: 5,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.28 : 21,572.70 = 3,994.12 : x
  2. Step 2: Convert to fraction form
    14,382.28/21,572.70 = 3,994.12/x
  3. Step 3: Cross multiply
    14,382.28x = 21,572.70 × 3,994.12
  4. Step 4: Simplify right side
    14,382.28x = 86,163,952.52
  5. Step 5: Solve for x
    x = 86,163,952.52/14,382.28
  6. Step 6: Final answer
    x = 5,990.98

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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.