Home / 14,512.92-21,769.35-9,581.40

Finding the Fourth Proportional to 14,512.92, 21,769.35 and 9,581.40

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Solution

The fourth proportional to 14,512.92, 21,769.35 and 9,581.40 is: 14,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.92 : 21,769.35 = 9,581.40 : x
  2. Step 2: Convert to fraction form
    14,512.92/21,769.35 = 9,581.40/x
  3. Step 3: Cross multiply
    14,512.92x = 21,769.35 × 9,581.40
  4. Step 4: Simplify right side
    14,512.92x = 208,580,850.09
  5. Step 5: Solve for x
    x = 208,580,850.09/14,512.92
  6. Step 6: Final answer
    x = 14,372.08

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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.