Home / 14,905.35-20,569.38-8,190.97

Finding the Fourth Proportional to 14,905.35, 20,569.38 and 8,190.97

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Solution

The fourth proportional to 14,905.35, 20,569.38 and 8,190.97 is: 11,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.35 : 20,569.38 = 8,190.97 : x
  2. Step 2: Convert to fraction form
    14,905.35/20,569.38 = 8,190.97/x
  3. Step 3: Cross multiply
    14,905.35x = 20,569.38 × 8,190.97
  4. Step 4: Simplify right side
    14,905.35x = 168,483,174.50
  5. Step 5: Solve for x
    x = 168,483,174.50/14,905.35
  6. Step 6: Final answer
    x = 11,303.54

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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.