Home / 14,362.28-21,543.38-3,974

Finding the Fourth Proportional to 14,362.28, 21,543.38 and 3,974

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Solution

The fourth proportional to 14,362.28, 21,543.38 and 3,974 is: 5,960.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.28 : 21,543.38 = 3,974 : x
  2. Step 2: Convert to fraction form
    14,362.28/21,543.38 = 3,974/x
  3. Step 3: Cross multiply
    14,362.28x = 21,543.38 × 3,974
  4. Step 4: Simplify right side
    14,362.28x = 85,613,392.12
  5. Step 5: Solve for x
    x = 85,613,392.12/14,362.28
  6. Step 6: Final answer
    x = 5,960.99

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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.