Home / 14,910.56-20,577.96-8,197.40

Finding the Fourth Proportional to 14,910.56, 20,577.96 and 8,197.40

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Solution

The fourth proportional to 14,910.56, 20,577.96 and 8,197.40 is: 11,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.56 : 20,577.96 = 8,197.40 : x
  2. Step 2: Convert to fraction form
    14,910.56/20,577.96 = 8,197.40/x
  3. Step 3: Cross multiply
    14,910.56x = 20,577.96 × 8,197.40
  4. Step 4: Simplify right side
    14,910.56x = 168,685,769.30
  5. Step 5: Solve for x
    x = 168,685,769.30/14,910.56
  6. Step 6: Final answer
    x = 11,313.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.