Home / 14,371.50-21,557.28-3,983.28

Finding the Fourth Proportional to 14,371.50, 21,557.28 and 3,983.28

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Solution

The fourth proportional to 14,371.50, 21,557.28 and 3,983.28 is: 5,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.50 : 21,557.28 = 3,983.28 : x
  2. Step 2: Convert to fraction form
    14,371.50/21,557.28 = 3,983.28/x
  3. Step 3: Cross multiply
    14,371.50x = 21,557.28 × 3,983.28
  4. Step 4: Simplify right side
    14,371.50x = 85,868,682.28
  5. Step 5: Solve for x
    x = 85,868,682.28/14,371.50
  6. Step 6: Final answer
    x = 5,974.93

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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.